mineral
Malachite
Copper Carbonate Hydroxide, Cu2CO3(OH)2
AI-generated identification · may be incorrectMohs hardness of 3.5 to 4, distinct green color with banded patterns, vitreous to silky luster, monoclinic crystal system.
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Physical properties
Mohs hardness of 3.5 to 4, distinct green color with banded patterns, vitreous to silky luster, monoclinic crystal system.
Formation & geological history
Forms in the oxidation zone of copper ore deposits, commonly as botryoidal or stalactitic crusts.
Uses & applications
Used extensively as an ornamental gemstone, for carving, and historically as a copper ore and green pigment.
Geological facts
Malachite often forms in association with azurite and has been used by humans for thousands of years for jewelry and pigments.
Field identification & locations
Easily identified by its characteristic bright green color, banded patterns, and effervescence in hydrochloric acid.
