
mineral
Chrysocolla
Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
AI-generated identification · may be incorrectHardness is 2.5 to 3.5 on the Mohs scale. Exhibits bright green to cyan-blue coloration, vitreous to earthy luster, and a botryoidal or crusting crystal habit.
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Physical properties
Hardness is 2.5 to 3.5 on the Mohs scale. Exhibits bright green to cyan-blue coloration, vitreous to earthy luster, and a botryoidal or crusting crystal habit.
Formation & geological history
Forms as a secondary mineral in the oxidation zones of copper ore bodies through the alteration of primary copper minerals.
Uses & applications
Used primarily as a gemstone in cabochons, inlaid jewelry, and ornamental carvings, as well as a minor copper ore.
Geological facts
Its name originates from Greek words meaning gold and glue, reflecting its historical use in soldering gold.
Field identification & locations
Easily identified by its vibrant blue-green color and association with other copper minerals like malachite; found globally in arid copper-mining regions.