
mineral
Chrysocolla
Hydrated copper silicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
AI-generated identification · may be incorrectHardness of 2.5 to 3.5 on the Mohs scale, vibrant blue-green color, vitreous to earthy luster, and an amorphous or cryptocrystalline structure.
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Physical properties
Hardness of 2.5 to 3.5 on the Mohs scale, vibrant blue-green color, vitreous to earthy luster, and an amorphous or cryptocrystalline structure.
Formation & geological history
Forms in the oxidized zones of copper ore bodies through secondary alteration processes, often in arid environments.
Uses & applications
Used primarily as a gemstone for cabochons, in jewelry making, and as an ornamental decorative stone.
Geological facts
Its name derives from the Greek words for gold and glue, reflecting its historical use in soldering gold.
Field identification & locations
Identified easily by its striking cyan color and association with other copper minerals like malachite; commonly found in Arizona, Chile, and Peru.