mineral
Chrysocolla
Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
AI-generated identification · may be incorrectHardness is 2 to 4 on the Mohs scale. Displays vibrant cyan, blue-green, or turquoise colors with a vitreous to earthy luster and cryptocrystalline structure.
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Physical properties
Hardness is 2 to 4 on the Mohs scale. Displays vibrant cyan, blue-green, or turquoise colors with a vitreous to earthy luster and cryptocrystalline structure.
Formation & geological history
Forms in the oxidation zones of copper ore bodies through secondary alteration processes, often in arid environments.
Uses & applications
Primarily used as a gemstone for cabochons, carvings, and inlay work, as well as a minor ore of copper.
Geological facts
Chrysocolla is often confused with turquoise due to its striking blue-green color, but it is significantly softer.
Field identification & locations
Identified by its distinctive bright blue-green color and low hardness. Commonly found in Arizona, Peru, Chile, and Russia.
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