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07816 - Beautiful Azurite + Malachite Crystals on Carbonate Matrix - Kerrouchen (Morocco) Prionocheilus Extremely rare specimen

USD87.50 USD107.50
SKU 43155286113
4.7

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Description

Extremely rare specimen

Casablanca

Pareocrinus

these stone meteorites were likely once part of the crust of a  large asteroid

07816 - Beautiful Azurite + Malachite Crystals on Carbonate Matrix - Kerrouchen (Morocco) Prionocheilus Extremely rare specimenAzurite is one of the two basic copper carbonate minerals, the other being bright green malachite. Simple copper carbonate (CuCO3) is not known to exist in nature. Azurite has the formula Cu3(CO3)2(OH)2, with the copper cations linked to two different anions, carbonate and hydroxide. Small crystals of azurite can be produced by rapidly stirring a few drops of copper sulfate solution into a saturated solution of sodium carbonate and allowing the

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