
mineral
Malachite
Copper Carbonate Hydroxide, Cu2CO3(OH)2
AI-generated identification · may be incorrectMohs hardness of 3.5 to 4, vibrant green color with distinctive concentric banding, vitreous to silky luster, and monoclinic crystal system.
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Physical properties
Mohs hardness of 3.5 to 4, vibrant green color with distinctive concentric banding, vitreous to silky luster, and monoclinic crystal system.
Formation & geological history
Forms as a supergene mineral in the oxidation zone of copper ore deposits, typically in limestone environments.
Uses & applications
Widely used as a gemstone for jewelry, ornamental carvings, and historically as a green mineral pigment.
Geological facts
Malachite has been mined for over 4,000 years, with ancient Egyptians using it for jewelry, amulets, and powdered eye makeup.
Field identification & locations
Easily identified by its characteristic green color, banded patterns, and effervescence when tested with hydrochloric acid.