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
chalcopyrite in American English
(ˌkælkoʊˈpaɪˌraɪt; ˌkælkoʊˈpɪrˌaɪt)
noun
a bright-yellow mineral, CuFeS2, an important ore of copper; copper iron sulfide