mineral
Malachite
Copper Carbonate Hydroxide (Cu2CO3(OH)2)
AI-generated identification · may be incorrectHardness of 3.5-4 on the Mohs scale, vibrant green color with distinctive concentric banding, vitreous to silky luster, and monoclinic crystal system.
Identified More mineral →
Explore Malachite in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 3.5-4 on the Mohs scale, 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, frequently associated with azurite.
Uses & applications
Widely used as an ornamental stone, for carved decorative objects, in gemstone jewelry, and historically as a green mineral pigment.
Geological facts
Malachite has been mined for over 4,000 years, with ancient Egyptians using it for amulets, jewelry, and crushed makeup pigment.
Field identification & locations
Easily identified by its characteristic green color and effervescence when tested with dilute hydrochloric acid. Commonly sourced from the Democratic Republic of Congo, Russia, and Australia.
