{"title":"Australian Boulder Opal","description":null,"products":[{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-17ct-weight-05","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 17ct weight #05","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.3cm x 2.6cm x 1.7cm\u003cbr\u003e\u003cbr\u003eWeight: 3.5 grams, 17 carats\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112908722440,"sku":"CC-BoulderOpal-BO-05","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-05-1_0ecce059-6635-4151-9183-3e6f6a251fb4.jpg?v=1782809967"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-7ct-weight-06","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 7ct weight #06","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.4cm x 1.4cm x 1.1cm\u003cbr\u003e\u003cbr\u003eWeight: 1.3 grams, 7 carats\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112909082888,"sku":"CC-BoulderOpal-BO-06","price":30.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-06-1_dc144fa9-443d-4be1-9049-290d85b26d08.jpg?v=1782809968"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-10-8ct-weight-09","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 10.8ct weight #09","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.4cm x 1.6cm x 1.3cm\u003cbr\u003e\u003cbr\u003eWeight: 2.1 grams, 10.8 carat\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112909246728,"sku":"CC-BoulderOpal-BO-09","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-09-1_b27ebcfa-304d-4c14-b379-1ec6c3222de1.jpg?v=1782809969"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-10ct-weight-10","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 10ct weight #10","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.6cm x 1.4cm x 1.3cm\u003cbr\u003e\u003cbr\u003eWeight: 1.9 grams, 10 carats\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112909345032,"sku":"CC-BoulderOpal-BO-10","price":55.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-10-1_39564de9-b85c-4643-a751-71f583c9e7c8.jpg?v=1782809970"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-6-8ct-weight-13","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 6.8ct weight #13","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.25cm x 1.5cm x 1.3cm\u003cbr\u003e\u003cbr\u003eWeight: 1.3 grams, 6.8 carats\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112909771016,"sku":"CC-BoulderOpal-BO-13","price":28.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-13-1_bcaf3f04-8ebe-4d5f-ac99-c4e8c9b35db9.jpg?v=1782809971"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-5-8ct-weight-16","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 5.8ct weight #16","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.25cm x 1.5cm x 1cm\u003cbr\u003e\u003cbr\u003eWeight: 1.1 grams, 5.8 carats\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112909836552,"sku":"CC-BoulderOpal-BO-16","price":25.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-16-1_3b1dc2df-dd34-44f2-a3b0-d26cfdd1699a.jpg?v=1782809971"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-44ct-weight-17","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 44ct weight #17","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.6cm x 3.2cm x 2.5cm\u003cbr\u003e\u003cbr\u003eWeight: 8.8 grams, 44 carats\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112909967624,"sku":"CC-BoulderOpal-BO-17","price":25.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-17-1.jpg?v=1782745211"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-20ct-weight-18","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 20ct weight #18","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.7cm x 2.5cm x 1.4cm\u003cbr\u003e\u003cbr\u003eWeight: 4.2 grams, 20 carats\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112910033160,"sku":"CC-BoulderOpal-BO-18","price":25.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-18-1_4727c01e-bd57-4926-b54f-c7bf9d9f45e6.jpg?v=1782809972"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-13-9ct-weight-20","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 13.9ct weight #20","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.6cm x 2.1cm x 1.1cm\u003cbr\u003e\u003cbr\u003eWeight: 2.7 grams, 13.9 carats\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112910524680,"sku":"CC-BoulderOpal-BO-20","price":23.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-20-1_c9843eb2-7e10-4de5-8ed6-549a4013fa7a.jpg?v=1782809972"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-19-25ct-weight-26","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 19.25ct weight #26","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.6cm x 1.5cm x 1.3cm\u003cbr\u003e\u003cbr\u003eWeight: 3.8 grams, 19.25 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112910557448,"sku":"CC-BoulderOpal-BO-26","price":14.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-26-1.jpg?v=1782745214"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-31ct-weight-28","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 31ct weight #28","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.6cm x 3.4cm x 2cm\u003cbr\u003e\u003cbr\u003eWeight: 6.3 grams, 31 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112910754056,"sku":"CC-BoulderOpal-BO-28","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-28-5_79a29484-9fb4-4114-a37f-61a2190df53f.jpg?v=1782809973"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-30ct-weight-30","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 30ct weight #30","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.5cm x 2.5cm x 1.5cm\u003cbr\u003e\u003cbr\u003eWeight: 6 grams, 30 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112911016200,"sku":"CC-BoulderOpal-BO-30","price":37.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-30-1_99744f64-2f6c-4aae-bdea-67e77f9121bc.jpg?v=1782809974"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-17-8ct-weight-31","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 17.8ct weight #31","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.5cm x 2.4cm x 2cm\u003cbr\u003e\u003cbr\u003eWeight: 3.5 grams, 17.8 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112911212808,"sku":"CC-BoulderOpal-BO-31","price":21.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-31-1_006c78bc-d471-4d6e-8433-f956a3c729d0.jpg?v=1782809975"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-24-8ct-weight-34","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 24.8ct weight #34","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 1cm x 1.7cm x 1.6cm\u003cbr\u003e\u003cbr\u003eWeight: 5 grams, 24.8 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112911278344,"sku":"CC-BoulderOpal-BO-34","price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-34-1_1726a11c-b78e-4ac2-a060-fa9a7bb08e75.jpg?v=1782809975"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-19-2ct-weight-35","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 19.2ct weight #35","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.9cm x 2.5cm x 1.1cm\u003cbr\u003e\u003cbr\u003eWeight: 3.8 grams, 19.2 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112911737096,"sku":"CC-BoulderOpal-BO-35","price":24.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-35-3_6ddf9d19-66a5-41d7-b6dd-fa359aafccee.jpg?v=1782809977"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-64ct-weight-36","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 64ct weight #36","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 1.3cm x 3cm x 1.8cm\u003cbr\u003e\u003cbr\u003eWeight: 12.7 grams, 64 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112911835400,"sku":"CC-BoulderOpal-BO-36","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-36-1_897a07ef-7855-4ec9-b355-cbfc4e403df6.jpg?v=1782809978"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-53ct-weight-37","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 53ct weight #37","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 1.5cm x 3.7cm x 1.5cm\u003cbr\u003e\u003cbr\u003eWeight: 10.7 grams, 53 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112912294152,"sku":"CC-BoulderOpal-BO-37","price":25.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-37-1_cb078162-0db5-41b7-9a82-a1f3925e57ff.jpg?v=1782809978"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-18ct-weight-38","title":"Australian Rough Boulder Opal, Raw Matrix Specimen - 18ct weight #38","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.8cm x 2.5cm x 1.6cm\u003cbr\u003e\u003cbr\u003eWeight: 3.5 grams, 18 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112912392456,"sku":"CC-BoulderOpal-BO-38","price":22.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-38-1_b04efa0b-3f1d-495f-a10a-53b69cb38b4e.jpg?v=1782809979"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-36ct-weight-48","title":"Australian Rough Boulder Opal, Raw Matrix Specimen – 36ct weight #48","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 1.3cm x 1.8cm x 1.6cm\u003cbr\u003e\u003cbr\u003eWeight: 7.1 grams, 36 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112912589064,"sku":"CC-BoulderOpal-BO-48","price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-48-1_7c05f4d1-08d2-4500-bad9-50bffd8c6c59.jpg?v=1782809979"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-124ct-weight-58","title":"Australian Rough Boulder Opal, Raw Matrix Specimen – 124ct weight #58","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 2.7cm x 3cm x 2.5cm\u003cbr\u003e\u003cbr\u003eWeight: 24.9 grams, 124 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112912654600,"sku":"CC-BoulderOpal-BO-58","price":36.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-58-1_9c60b2f9-c51b-4fb9-acb2-e53111817c96.jpg?v=1782809980"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-127ct-weight-67","title":"Australian Rough Boulder Opal, Raw Matrix Specimen – 127ct weight #67","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 2.2cm x 2.7cm x 2cm\u003cbr\u003e\u003cbr\u003eWeight: 25 grams, 127 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112912851208,"sku":"CC-BoulderOpal-BO-67","price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-67-1_be52104b-a163-4acf-9386-4462650186ce.jpg?v=1782809981"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-152ct-weight-68","title":"Australian Rough Boulder Opal, Raw Matrix Specimen – 152ct weight #68","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 1.6cm x 3.6cm x 2.7cm\u003cbr\u003e\u003cbr\u003eWeight: 30.3 grams, 152 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112912982280,"sku":"CC-BoulderOpal-BO-68","price":28.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-68-1_ee1c4263-6c2e-4fad-bc2f-9ac1a3158185.jpg?v=1782809982"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-141ct-weight-70","title":"Australian Rough Boulder Opal, Raw Matrix Specimen – 141ct weight #70","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 1.7cm x 3.7cm x 3cm\u003cbr\u003e\u003cbr\u003eWeight: 28.3 grams, 141 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112913047816,"sku":"CC-BoulderOpal-BO-70","price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-70-1_1c9ae3e3-72ce-4fa6-8b0c-c70cbe50399b.jpg?v=1782809983"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-173ct-weight-71","title":"Australian Rough Boulder Opal, Raw Matrix Specimen – 173ct weight #71","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 2cm x 4cm x 2.9cm\u003cbr\u003e\u003cbr\u003eWeight: 34.5 grams, 173 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112913211656,"sku":"CC-BoulderOpal-BO-71","price":45.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-71-1.jpg?v=1782745229"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-41ct-weight-74","title":"Australian Rough Boulder Opal, Raw Matrix Specimen – 41ct weight #74","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 1.8cm x 2.1cm x 2.7cm\u003cbr\u003e\u003cbr\u003eWeight: 7.8 grams, 41 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112913277192,"sku":"CC-BoulderOpal-BO-74","price":25.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-74-1_8aff56a5-ae1a-4f28-95a6-bf735427378c.jpg?v=1782809984"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-53ct-weight-76","title":"Australian Rough Boulder Opal, Raw Matrix Specimen – 53ct weight #76","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 1.5cm x 3cm x 2cm\u003cbr\u003e\u003cbr\u003eWeight: 10.5 grams, 153 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112913441032,"sku":"CC-BoulderOpal-BO-76","price":20.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-76-1_67db9f8b-7bb7-46cc-829a-ab2596e0dfe9.jpg?v=1782809985"},{"product_id":"australian-rough-boulder-opal-raw-matrix-specimen-42ct-weight-78","title":"Australian Rough Boulder Opal, Raw Matrix Specimen – 42ct weight #78","description":"Australian Boulder Opal Raw Matrix small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eTreatment: Untreated, natural raw state\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal Specimen. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 1.1cm x 2.5cm x 2cm\u003cbr\u003e\u003cbr\u003eWeight: 8.3 grams, 42 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eThese specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care.\u003cbr\u003e\u003cbr\u003eThese stones have been photographed with water. Being wet brings out the maximum colour.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112913670408,"sku":"CC-BoulderOpal-BO-78","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BO-78-1_f4b564e8-3372-4b48-80f8-e6f933099999.jpg?v=1782809985"},{"product_id":"australian-polished-boulder-opal-stone-20ct-weight-01","title":"Australian Polished Boulder Opal Stone – 20ct weight #01","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.3cm x 2.5cm x 1.4cm\u003cbr\u003e\u003cbr\u003eWeight: 4.1 grams, 20 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112915800328,"sku":"CC-BoulderOpal-BOP-01","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-01-1_fe3fa509-f0ab-40cf-be8a-0fcc313f8d5f.jpg?v=1782810041"},{"product_id":"australian-polished-boulder-opal-stone-40ct-weight-03","title":"Australian Polished Boulder Opal Stone – 40ct weight #03","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.5cm x 3.4cm x 2.2cm\u003cbr\u003e\u003cbr\u003eWeight: 8.1 grams, 40 carats\u003cbr\u003e\u003cbr\u003eDouble sided flashes of colour\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112915996936,"sku":"CC-BoulderOpal-BOP-03","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-03-1_a810a614-0561-4bd3-9aeb-14636b630ca9.jpg?v=1782810041"},{"product_id":"australian-polished-boulder-opal-stone-26ct-weight-06","title":"Australian Polished Boulder Opal Stone – 26ct weight #06","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.5cm x 2.5cm x 2cm (at widest section)\u003cbr\u003e\u003cbr\u003eWeight: 5.2 grams, 26 carats\u003cbr\u003e\u003cbr\u003eDouble sided flashes of colour\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112916128008,"sku":"CC-BoulderOpal-BOP-06","price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-06-1_73b3ab0a-b7b1-4665-a02c-8f70a4350088.jpg?v=1782810041"},{"product_id":"australian-polished-boulder-opal-stone-18ct-weight-07","title":"Australian Polished Boulder Opal Stone – 18ct weight #07","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.4cm x 2.5cm x 1.4cm\u003cbr\u003e\u003cbr\u003eWeight: 3.6 grams, 18 carats\u003cbr\u003e\u003cbr\u003eDouble sided flashes of colour\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112916193544,"sku":"CC-BoulderOpal-BOP-07","price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-07-1_ae09e4dc-6dc2-477b-9e88-ddbadf46f852.jpg?v=1782810043"},{"product_id":"australian-polished-boulder-opal-stone-15ct-weight-08","title":"Australian Polished Boulder Opal Stone – 15ct weight #08","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.5cm x 2.5cm x 1.1cm\u003cbr\u003e\u003cbr\u003eWeight: 3 grams, 15 carats\u003cbr\u003e\u003cbr\u003eDouble sided flashes of colour\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112916357384,"sku":"CC-BoulderOpal-BOP-08","price":28.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-08-1_67ab3dbc-7661-4751-9a69-3b3dee1f8edd.jpg?v=1782810043"},{"product_id":"australian-polished-boulder-opal-stone-18ct-weight-09","title":"Australian Polished Boulder Opal Stone – 18ct weight #09","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.45cm x 2.8cm x 1.1cm\u003cbr\u003e\u003cbr\u003eWeight: 3.6 grams, 18 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112916422920,"sku":"CC-BoulderOpal-BOP-09","price":25.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-09-1_69c89e02-9c86-4c5f-9345-58b2f7cb53d7.jpg?v=1782810044"},{"product_id":"australian-polished-boulder-opal-stone-19ct-weight-10","title":"Australian Polished Boulder Opal Stone – 19ct weight #10","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.4cm x 2.6cm x 1.5cm\u003cbr\u003e\u003cbr\u003eWeight: 3.7 grams, 19 carats\u003cbr\u003e\u003cbr\u003eDouble sided flashes of colour\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112916586760,"sku":"CC-BoulderOpal-BOP-10","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-10-1_7c5708b0-b3e2-47e3-9313-4020dd644739.jpg?v=1782810045"},{"product_id":"australian-polished-boulder-opal-stone-20ct-weight-12","title":"Australian Polished Boulder Opal Stone – 20ct weight #12","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.3cm x 3.3cm x 2cm (at widest section)\u003cbr\u003e\u003cbr\u003eWeight: 4.1 grams, 20 carats\u003cbr\u003e\u003cbr\u003eDouble sided flashes of colour\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112916685064,"sku":"CC-BoulderOpal-BOP-12","price":45.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-12-1.jpg?v=1782745249"},{"product_id":"australian-polished-boulder-opal-stone-29ct-weight-14","title":"Australian Polished Boulder Opal Stone – 29ct weight #14","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.45cm x 3.1cm x 1.8cm\u003cbr\u003e\u003cbr\u003eWeight: 5.9 grams, 29 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112916947208,"sku":"CC-BoulderOpal-BOP-14","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-14-1_426ef430-6318-4ce7-b53a-a481f13cbae1.jpg?v=1782810045"},{"product_id":"australian-polished-boulder-opal-stone-22ct-weight-19","title":"Australian Polished Boulder Opal Stone – 22ct weight #19","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.6cm x 2.5cm x 1.6cm\u003cbr\u003e\u003cbr\u003eWeight: 4.4 grams, 22 carats\u003cbr\u003e\u003cbr\u003eDouble sided flashes of colour\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112916979976,"sku":"CC-BoulderOpal-BOP-19","price":45.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-19-1.jpg?v=1782745251"},{"product_id":"australian-polished-boulder-opal-stone-5ct-weight-20","title":"Australian Polished Boulder Opal Stone – 5ct weight #20","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.1cm x 2cm x 1.2cm\u003cbr\u003e\u003cbr\u003eWeight: 0.9 grams, 5 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112917864712,"sku":"CC-BoulderOpal-BOP-20","price":25.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-20-1.jpg?v=1782745251"},{"product_id":"australian-polished-boulder-opal-stone-16ct-weight-21","title":"Australian Polished Boulder Opal Stone – 16ct weight #21","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.4cm x 1.8cm x 1.5cm\u003cbr\u003e\u003cbr\u003eWeight: 3.1 grams, 16 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112917995784,"sku":"CC-BoulderOpal-BOP-21","price":28.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-21-2_0dbd6226-bcba-4598-8b6d-73f923033d03.jpg?v=1782810046"},{"product_id":"australian-polished-boulder-opal-stone-13ct-weight-22","title":"Australian Polished Boulder Opal Stone – 13ct weight #22","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.35cm x 2cm x 1.4cm\u003cbr\u003e\u003cbr\u003eWeight: 2.7 grams, 13 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112918159624,"sku":"CC-BoulderOpal-BOP-22","price":25.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-22-1_665c7025-7c9c-48f7-b486-3a9e7b045b66.jpg?v=1782810047"},{"product_id":"australian-polished-boulder-opal-stone-15ct-weight-23","title":"Australian Polished Boulder Opal Stone – 15ct weight #23","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.5cm x 2.6cm x 0.9cm\u003cbr\u003e\u003cbr\u003eWeight: 3 grams, 15 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112918257928,"sku":"CC-BoulderOpal-BOP-23","price":20.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-23-1_fbb7e37c-5588-4ec3-a109-7801155fb71c.jpg?v=1782810048"},{"product_id":"australian-polished-boulder-opal-stone-3ct-weight-26","title":"Australian Polished Boulder Opal Stone – 3ct weight #26","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.25cm x 1.6cm x 0.7cm\u003cbr\u003e\u003cbr\u003eWeight: 0.7 grams, 3 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112918421768,"sku":"CC-BoulderOpal-BOP-26","price":22.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-26-1_864ae57f-71eb-4f31-a951-94efde5d79b8.jpg?v=1782810049"},{"product_id":"australian-polished-boulder-opal-stone-6ct-weight-27","title":"Australian Polished Boulder Opal Stone – 6ct weight #27","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.3cm x 1.4cm x 1cm\u003cbr\u003e\u003cbr\u003eWeight: 1.2 grams, 6 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112918585608,"sku":"CC-BoulderOpal-BOP-27","price":20.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-27-1_6f38f71c-50f8-4387-9cf7-92ae2f7ca5cb.jpg?v=1782810052"},{"product_id":"australian-polished-boulder-opal-stone-5-5ct-weight-32","title":"Australian Polished Boulder Opal Stone – 5.5ct weight #32","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.2cm x 1.6cm x 1cm\u003cbr\u003e\u003cbr\u003eWeight: 1.1 grams, 5.5 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112918618376,"sku":"CC-BoulderOpal-BOP-32","price":22.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-32-1_27bbb6b7-fa4b-4d33-95d9-d68474053555.jpg?v=1782810052"},{"product_id":"australian-polished-boulder-opal-stone-12ct-weight-34","title":"Australian Polished Boulder Opal Stone – 12ct weight #34","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.25cm x 1.9cm x 1.4cm\u003cbr\u003e\u003cbr\u003eWeight: 2.3 grams, 12 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112918683912,"sku":"CC-BoulderOpal-BOP-34","price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-34-1_471103d1-d258-4da6-9c42-777a4dbe6581.jpg?v=1782810053"},{"product_id":"australian-polished-boulder-opal-stone-7ct-weight-35","title":"Australian Polished Boulder Opal Stone – 7ct weight #35","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.4cm x 1.6cm x 0.7cm\u003cbr\u003e\u003cbr\u003eWeight: 1.4 grams, 7 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112918880520,"sku":"CC-BoulderOpal-BOP-35","price":22.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-35-1_9998d4b2-5ce9-4e66-b6c3-53c32e5754a9.jpg?v=1782810054"},{"product_id":"australian-polished-boulder-opal-stone-8ct-weight-37","title":"Australian Polished Boulder Opal Stone – 8ct weight #37","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.5cm x 2cm x 0.9cm\u003cbr\u003e\u003cbr\u003eWeight: 2.1 grams, 8 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112918946056,"sku":"CC-BoulderOpal-BOP-37","price":22.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-37-1_fcd3e1ac-864d-4507-9ed6-ff90f192a5e2.jpg?v=1782810056"},{"product_id":"australian-polished-boulder-opal-stone-22ct-weight-40","title":"Australian Polished Boulder Opal Stone – 22ct weight #40","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.4cm x 2.4cm x 1.9cm\u003cbr\u003e\u003cbr\u003eWeight: 4.5 grams, 22 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112919109896,"sku":"CC-BoulderOpal-BOP-40","price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-40-1_a98487ae-77c1-49a2-9643-411439a296d3.jpg?v=1782810056"},{"product_id":"australian-polished-boulder-opal-stone-16ct-weight-41","title":"Australian Polished Boulder Opal Stone – 16ct weight #41","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.3cm x 2.7cm x 1.4cm\u003cbr\u003e\u003cbr\u003eWeight: 3.2 grams, 16 carats\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112919273736,"sku":"CC-BoulderOpal-BOP-41","price":28.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-41-1_135f6d9b-753c-4842-b901-8904e64dc765.jpg?v=1782810057"},{"product_id":"australian-polished-boulder-opal-stone-13ct-weight-42","title":"Australian Polished Boulder Opal Stone – 13ct weight #42","description":"Australian Polished Boulder Opal small specimen stone\u003cbr\u003e\u003cbr\u003eCountry of Origin: Queensland, Australia\u003cbr\u003e\u003cbr\u003e10-point scale of mineral hardness: 5.5 - 6.0 (10 - Hard, 1 soft)\u003cbr\u003e\u003cbr\u003eQuantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.\u003cbr\u003e\u003cbr\u003eSize: approx 0.3cm x 2.3cm x 1.2cm\u003cbr\u003e\u003cbr\u003eWeight: 2.5 grams, 13 carats\u003cbr\u003e\u003cbr\u003eDouble sided flashes of colour\u003cbr\u003e\u003cbr\u003eCare has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.\u003cbr\u003e\u003cbr\u003eTreatment: Polished\u003cbr\u003e\u003cbr\u003eThese stones can be used as cabochons. Each has its own unique shape and patterns.\u003cbr\u003e\u003cbr\u003eThese stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.\u003cbr\u003e\u003cbr\u003eBoulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.","brand":"Calder Crystals","offers":[{"title":"Default Title","offer_id":58112919437576,"sku":"CC-BoulderOpal-BOP-42","price":28.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/6062\/6184\/files\/CC-BoulderOpal-BOP-42-1_363d0c84-1353-4e86-ba11-ae11f7189470.jpg?v=1782810057"}],"url":"https:\/\/caldercrystals.com\/collections\/australian-boulder-opal.oembed?page=2","provider":"Calder Crystals","version":"1.0","type":"link"}