07816 - Beautiful Azurite + Malachite Crystals on Carbonate Matrix - Kerrouchen (Morocco) Prionocheilus XABIER PEREDA SUBERBIOLA
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Description
XABIER PEREDA SUBERBIOLA
Beautiful association of two Cretolamna teeth and one Stephanodus dentary
Lieberman and Kloc 1997 (trilobite)
these stone meteorites were likely once part of the crust of a large asteroid
Extremely rare species nicely preserved
07816 - Beautiful Azurite + Malachite Crystals on Carbonate Matrix - Kerrouchen (Morocco) Prionocheilus XABIER PEREDA SUBERBIOLAAzurite 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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