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[te-truh-hee-drahyt] /ˌtɛ trəˈhi draɪt/
a steel-gray or blackish mineral with a brilliant metallic luster, essentially copper and antimony sulfide, (Cu, Fe, Zn, Ag,) 12 Sb 4 S 13 , an end member of a series of solid solutions into which arsenic enters to form tennantite: mined as an ore of copper and silver.
Origin of tetrahedrite
1865-70; tetrahedr(on) + -ite1, modeled on German Tetraedrit Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for tetrahedrite
  • Less commonly of primary origin, disseminated in galena or tetrahedrite.
  • Argentiferous tetrahedrite is also abundant with a generally high silver content.
  • Silver was also produced from ores including tetrahedrite, stephanite, and pyrargyrite.
  • Also present are veins along aplitic intrusions containing argentiferous galena and tetrahedrite with bornite.
  • These deposits only rarely contain cinnabar or tetrahedrite.
  • The three main ore-bearing minerals are argentiferous galena, sphalerite, and argentiferous tetrahedrite.
  • Ores were primarily partially oxidized galena, pyrite and tetrahedrite.
  • The silver-bearing phase is uncertain, but tetrahedrite has been reported from the property.
British Dictionary definitions for tetrahedrite


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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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