tet·ra·he·drite (t t r -h  dr t)n. A grayish-black mineral, essentially (CuFe)12Sb4S13, often containing other elements, and used as an ore of copper. [German Tetraëdrit, from Greek tetraedros, four-faced (from its four-faced crystals); see tetrahedron.] |
tetrahedrite [ˌtɛtrəˈhiːdraɪt]
n
(Earth Sciences / Minerals) a grey metallic mineral consisting of a sulphide of copper, iron, and antimony, often in the form of tetrahedral crystals: it is a source of copper. Formula: (Cu,Fe)12Sb4S13
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