mineral composite

Chrysocolla Cuprite

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) and Cu2O (Cuprite)

Hardness: 2.5-3.5 (Chrysocolla), 3.5-4 (Cuprite); Color: Cyan/blue-green mixed with brownish-red; Luster: Vitreous to earthy; Crystal structure: Amorphous to microcrystalline; Specific gravity: 2.0-2.4 (Chrysocolla), 6.1 (Cuprite)

Hardness: 2
Color: Cyan/blue-green mixed with brownish-red
Luster: Vitreous to earthy

Identified June 17, 2026More mineral composite →

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Physical properties

Formation & geological history

Formed as secondary minerals in the oxidation zones of copper ore bodies. Often found together in copper-rich environments.

Uses & applications

Used primarily in jewelry making, often cut into cabochons or beads due to its striking color contrast. Also collected by mineral enthusiasts.

Geological facts

The combination of the bright blue-green chrysocolla and the deep red-brown cuprite makes it a highly sought-after material for lapidary work. It's sometimes associated with native copper or other copper minerals like malachite.

Field identification & locations

Identified by the distinct mottled pattern of turquoise blue/green and coppery red/brown colors. Found in major copper mining regions like Arizona (USA), Congo, and Chile.

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