Mintabie Semi-Black Raw Rough Opals - 3 Count - Specimen from South Australia, 20ct weight #50

Australian Semi-Black Mintabie Rough Opal small specimen stones

Country of Origin: Mintabie, South Australia

10-point scale of mineral hardness: 5.5 - 7.0 (10 - Hard, 1 soft)

Quantity: 3 Mintabie Opal Specimens. You will receive the exact gemstones shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.

Treatment: Untreated, natural raw state

Size: approx 0.7cm x 1.7cm x 0.9cm, 1.2cm x 1.1cm x 0.7cm and 0.65cm x 1.6cm x 1cm

Weight: 4 grams, 20 carats for all 3 stones

Care has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.

These stones have been photographed with water. Being wet brings out the maximum colour.

These 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.

The Mintabie opal gets its name from the location it is mined in Mintabie, South Australia. This area is famous for producing milky white to almost black opal some of the hardest and most durable opal in the world. These Opals usually found in flat sheets referred to as plates and can vary in body tone and appearance all the way from clear crystal, to very dark, or black.