a gray to black, semihard, cubic mineral, copper iron antimony sulfide, (Cu,Fe)SbS, that is a main ore of copper
Origin of tetrahedriteGerman tetraëdrit ; from Late Greek tetraedros (see tetrahedron) + -it, -ite
A grayish-black mineral, essentially (CuFe)12Sb4S13, often containing other elements, and used as an ore of copper.
Origin of tetrahedriteGerman Tetra&edie;drit, from Greek tetraedros, four-faced (from its four-faced crystals); see tetrahedron.
Named for its tetrahedral crystals in 1845.