Rock Identifier
Malachite (Copper Carbonate Hydroxide, Cu2CO3(OH)2) — mineral
mineral

Malachite

Copper Carbonate Hydroxide, Cu2CO3(OH)2

AI-generated identification · may be incorrect

Mohs hardness 3.5-4, vibrant green color with distinctive concentric banding, silky to vitreous luster, monoclinic crystal system.

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Physical properties

Mohs hardness 3.5-4, vibrant green color with distinctive concentric banding, silky to vitreous luster, monoclinic crystal system.

Formation & geological history

Forms in the oxidation zone of copper ore deposits, frequently associated with limestone environments.

Uses & applications

Widely used as an ornamental gemstone, for carved decorative objects, and historically as a mineral pigment.

Geological facts

The regional coordinates correspond to South Africa, a historically prominent region for major copper and malachite deposits.

Field identification & locations

Easily identified by its characteristic botryoidal habit and various shades of green banding; reacts with acid due to carbonate content.