Chalcopyrite
Chalcopyrite is one of the sulphide minerals referred to as "Fool's Gold", and is often confused with pyrite. Although it is not as rich in copper as some minerals, chalcopyrite is the major ore of copper due to large quantities and widespread distribution.Chalcopyrite is common in hydrothermal vein deposits, contact metamorphic rocks, and disseminated in igneous and sedimentary rocks.
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Chemical composition - CuFeS
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