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east of Tata
This type of Pallasites in the Northwest of Africa are very rare and the NWA 10023 is one of the few officially classified
Trilobita - Redlichiida - Paradoxididae
and apart from being widely used in jewelry
08341 - Beautiful Deep Blue Azurite Crystals on Carbonate Matrix - Kerrouchen (Morocco) Hemirhodon amplipyge east of TataAzurite 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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