Polished plate of Malachite and Chrysocole from... Lot 15
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Polished plate of Malachite and Chrysocole from Arizona, United States 17,7cm X 10,7cm. It is the result of high temperature hydrothermal sulfur fluids circulating in a fractured limestone that penetrate all the micro fractures, this reaction will give the precipitation of copper carbonates, azurite and malachite
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