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07817 - Beautiful Deep Blue Azurite Crystals on Carbonate Matrix - Kerrouchen (Morocco) Orthoclase (Feldspar) Top rare mosasaur species

USD94.50 USD130.50
SKU 30497644848
4.4

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Description

Top rare mosasaur species

The vast majority of the outer layer of the root has disappeared

but very scarce

There seem to be 1 more specie in Couche IV- in sidi chenane

07817 - Beautiful Deep Blue Azurite Crystals on Carbonate Matrix - Kerrouchen (Morocco) Orthoclase (Feldspar) Top rare mosasaur speciesAzurite 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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