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. Color ranges from cyan, blue, to green with earthy to vitreous luster and a botryoidal or crusting habit.
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Physical properties
Hardness is 2 to 4 on the Mohs scale. Color ranges from cyan, blue, to green with earthy to vitreous luster and a botryoidal or crusting habit.
Formation & geological history
Forms in the oxidation zones of copper ore bodies through the alteration of primary copper minerals. Often found in arid environments worldwide.
Uses & applications
Used primarily as a gemstone for cabochons, carvings, and in inlay jewelry, as well as a minor copper ore.
Geological facts
Chrysocolla is often confused with turquoise due to its similar coloration and copper content. The name comes from Greek words meaning gold and glue, referencing its historical use in soldering gold.
Field identification & locations
Identified easily by its vibrant blue-green color and association with copper deposits. Found in regions like the southwestern United States, Chile, and Peru.
