mineral
Malachite
Copper Carbonate Hydroxide, Cu2CO3(OH)2
AI-generated identification · may be incorrectMohs hardness 3.5 to 4, bright green color, vitreous to adamantine luster, monoclinic crystal system, specific gravity 3.6 to 4.0.
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Physical properties
Mohs hardness 3.5 to 4, bright green color, vitreous to adamantine luster, monoclinic crystal system, specific gravity 3.6 to 4.0.
Formation & geological history
Forms in the oxidation zone of copper ore deposits through the alteration of primary copper minerals.
Uses & applications
Used as an ornamental stone, for carving, gemstone jewelry, and historically as a green mineral pigment.
Geological facts
Malachite often forms botryoidal crusts and displays characteristic concentric banding in polished sections.
Field identification & locations
Identified by its distinctive vibrant green color and vigorous effervescence in dilute hydrochloric acid.
