Stock Photo - Chrysocolla, hydrated copper cyclosilicate mineral with formula: Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x<1), minor ore of copper, Katanga provence, Congo.

Stock Photo: Chrysocolla, hydrated copper cyclosilicate mineral with formula: Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x<1), minor ore of copper, Katanga provence, Congo.

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