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Al₇BO₃(SiO₄)₃O₃
Size = 33 - 43 mm
Some with reflective rainbow veil inclusions
Extra Large gemstone world globe with mixed stones of the world making up the maps
They are classically polished into egg-shaped formats
Natural Dioptase on Dolomite Specimens x 2 From Likasi, Congo POLISHED Al₇BO₃(SiO₄)₃O₃A NOTE FROM NICK A pair of cabinet size natural Dioptase on Dolomite specimens with nice big gemmy emerald green crystals. One with crystalline Malachite. Beauties. PRODUCT DESCRIPTION Dioptase On Dolomite from the Congo: Emerald Beauty Unveiled Congo's Dioptase is a breath taking mineral, renowned for its vibrant emerald green color and exceptional clarity. Found mainly in the Brazzaville region, these specimens often feature glistening drusy
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