- a widely distributed yellow mineral consisting of a sulphide of copper and iron in
tetragonal crystalline form: the principal ore of copper. Formula: CuFeS2 Also called: copper pyrites
Example Sentences Including 'chalcopyrite'
Occurs in nature as chalcopyrite , penthandite, garnierite, nicollite, nillerite; abundance in earth's crust 180mg per kg.
Thorsons' Complete Guide to Vitamins and Minerals
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