
mineral
Malachite-stained Copper Ore
Cupriferous rock with secondary copper carbonates
AI-generated identification · may be incorrectHardness 3.5 to 4 on Mohs scale, vibrant green to bluish-green coloration, dull to earthy luster, monoclinic crystal system.
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Physical properties
Hardness 3.5 to 4 on Mohs scale, vibrant green to bluish-green coloration, dull to earthy luster, monoclinic crystal system.
Formation & geological history
Formed via weathering and oxidation of primary copper sulfide deposits in hydrothermal environments.
Uses & applications
Used as an ore for copper extraction, ornamental stone, and lapidary purposes.
Geological facts
The distinctive green staining is caused by secondary copper carbonate alteration known as malachite or chrysocolla.
Field identification & locations
Identified easily by its bright green coloration on host rock and positive reaction to acid tests depending on carbonate content.