Rock Identifier
Copper (Native Copper (Cu)) — mineral
mineral

Copper

Native Copper (Cu)

AI-generated identification · may be incorrect

Mohs hardness of 2.5 to 3, distinctive reddish-orange color with a metallic luster, cubic crystal system, and no cleavage with hackly fracture.

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Physical properties

Mohs hardness of 2.5 to 3, distinctive reddish-orange color with a metallic luster, cubic crystal system, and no cleavage with hackly fracture.

Formation & geological history

Forms in hydrothermal veins, basalt cavities, and oxidized zones of copper deposits through reduction processes over millions of years.

Uses & applications

Extensively used in electrical wiring, plumbing, industrial machinery, and crafted into jewelry or decorative art pieces.

Geological facts

Native copper was one of the earliest metals worked by humans, marking the transition from the Stone Age to the Copper Age.

Field identification & locations

Easily identified by its characteristic bright copper-red color and high malleability, commonly found in regions like Michigan, USA, and Chile.