Top Grade Mexican Rough Fire Opal Specimen Chips / Stones - 10, 20 or 50 carats

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Top Grade Mexican Rough Fire Opal Specimen Chips / Stones with guaranteed Fire / Play of colour on each stone

Country of Origin: La Trinitaria, Queretaro, Mexico

10-point scale of mineral hardness: 5.0 - 6.5 (10 - Hard, 1 soft)

Treatment: Raw, unfinished

Quantity: 10ct (3 - 5 stones), 20ct (5 - 10 stones) or 50ct (10 - 25 stones). Please choose your weight option from the drop-down menu.

Weight: 10ct - 2 grams, 20ct - 4 grams and 50ct 10 grams

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

We have tried to capture the beautiful colour tones as best we can in a photograph. They have been photographed wet to bring the maximum colour to the surface.

Fire opal is well known to be sourced from Mexico and is mined in the Mexican states of Chihuahua, Guerrero, Hidalgo, Julisio, Michoacan, Queretaro and San Luis Potosi.

In México the colour of Opals varies from