mineral
Chalcopyrite in Pegmatite
CuFeS2
AI-generated identification · may be incorrectHardness 3.5 to 4 on Mohs scale, brass-yellow to golden color with often iridescent tarnish, metallic luster, tetragonal crystal system.
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Physical properties
Hardness 3.5 to 4 on Mohs scale, brass-yellow to golden color with often iridescent tarnish, metallic luster, tetragonal crystal system.
Formation & geological history
Formed in hydrothermal veins and igneous intrusions through high-temperature magmatic activity.
Uses & applications
Primary ore of copper, occasionally collected by mineral enthusiasts.
Geological facts
Known as peacock ore due to its colorful tarnish when exposed to weathering.
Field identification & locations
Identified by its distinctive brassy yellow color and softer hardness compared to pyrite; found worldwide in sulfide deposits.
