Rock Identifier
Chrysocolla (Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral
mineral

Chrysocolla

Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O

AI-generated identification · may be incorrect

Hardness is 2.5-3.5 on the Mohs scale. Colors range from vibrant cyan, blue, to turquoise green with a vitreous to earthy luster and botryoidal habit.

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Physical properties

Hardness is 2.5-3.5 on the Mohs scale. Colors range from vibrant cyan, blue, to turquoise green with a vitreous to earthy luster and botryoidal habit.

Formation & geological history

Forms in the oxidized zones of copper ore bodies through secondary alteration processes.

Uses & applications

Widely used for ornamental carvings, cabochons, and gemstone jewelry.

Geological facts

Chrysocolla is often found mixed with quartz, chalcedony, or malachite, creating striking multicolored patterns.

Field identification & locations

Identify by its distinctive bright cyan-blue color and softness. Commonly sourced from the USA, Chile, Peru, and Russia.