Rock Identifier
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O) — mineral
mineral

Chrysocolla

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O

AI-generated identification · may be incorrect

Hardness of 2.5 to 3.5 on the Mohs scale, distinct cyan to bluish-green color, vitreous to earthy luster, and an amorphous or monoclinic crystal system.

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Physical properties

Hardness of 2.5 to 3.5 on the Mohs scale, distinct cyan to bluish-green color, vitreous to earthy luster, and an amorphous or monoclinic crystal system.

Formation & geological history

Forms as a secondary mineral in the oxidation zones of copper ore bodies, often occurring in arid regions worldwide.

Uses & applications

Used primarily for ornamental carvings, cabochons, and beaded jewelry.

Geological facts

Chrysocolla is often confused with turquoise due to its striking blue-green color, though it is significantly softer.

Field identification & locations

Readily identified by its vibrant blue-green coloration and association with other copper minerals like malachite and azurite.