mineral
Chrysocolla
Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
AI-generated identification · may be incorrectMohs hardness of 2.5 to 3.5, vibrant blue-green to cyan color, vitreous to earthy luster, amorphous or cryptocrystalline structure with uneven fracture.
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Physical properties
Mohs hardness of 2.5 to 3.5, vibrant blue-green to cyan color, vitreous to earthy luster, amorphous or cryptocrystalline structure with uneven fracture.
Formation & geological history
Forms in the oxidized zones of copper ore bodies through secondary alteration of copper-bearing minerals.
Uses & applications
Used primarily as a gemstone in cabochons and inlay work, as well as an ornamental carving material.
Geological facts
Often found mixed with quartz or malachite, creating striking multicolored patterns known as chrysocolla chalcedony.
Field identification & locations
Identified easily by its distinctive cyan color and softness; commonly found in major copper-producing regions like Arizona, Chile, and Peru.
