mineral
Chrysocolla in Quartz
Hydrated copper phyllosilicate with silicon dioxide (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O + SiO2)
AI-generated identification · may be incorrectHardness varies from 2.5 to 7 depending on quartz content. Displays vibrant blue to green colors with vitreous to earthy luster and cryptocrystalline structure.
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Physical properties
Hardness varies from 2.5 to 7 depending on quartz content. Displays vibrant blue to green colors with vitreous to earthy luster and cryptocrystalline structure.
Formation & geological history
Formed in the oxidized zones of copper ore bodies through hydrothermal alteration and secondary weathering processes.
Uses & applications
Used primarily as an ornamental gemstone, for cabochons, and in lapidary arts by collectors.
Geological facts
Chrysocolla often forms pseudomorphs after other minerals like azurite or malachite, retaining their crystal shape while changing composition.
Field identification & locations
Identified easily by its striking turquoise-blue or green coloration embedded within a harder quartz matrix. Found globally in major copper-producing regions such as the Southwestern USA, Chile, and Peru.
