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 of 2.5 to 3.5 on the Mohs scale, vibrant cyan to greenish-blue color, vitreous to earthy luster, and amorphous or cryptocrystalline crystal structure.

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Physical properties

Hardness of 2.5 to 3.5 on the Mohs scale, vibrant cyan to greenish-blue color, vitreous to earthy luster, and amorphous or cryptocrystalline crystal structure.

Formation & geological history

Forms in the oxidized zones of copper ore bodies through the alteration of primary copper minerals.

Uses & applications

Used primarily as an ornamental stone, for cabochons and inlay work in jewelry, and as a collector's mineral specimen.

Geological facts

Its name derives from the Greek words chrysos (gold) and kolla (glue), referencing its historical use in soldering gold.

Field identification & locations

Identified easily by its characteristic bright blue-green coloration and association with other copper minerals like malachite; found globally in major copper-producing regions.