• synonyms


  1. a common mineral and important ore of copper, copper iron sulfide, Cu5FeS4, occurring in masses, of brownish color when first exposed to the air; peacock ore.
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Origin of bornite

1850–55; named after I. von Born (1742–91), Austrian mineralogist; see -ite1
Related formsbor·nit·ic [bawr-nit-ik] /bɔrˈnɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for bornite

Historical Examples of bornite

  • Much of the copper of commerce is made from chalcopyrite and bornite, and these ores are more difficult to work.

    An Elementary Study of Chemistry

    William McPherson

British Dictionary definitions for bornite


  1. a mineral consisting of a sulphide of copper and iron that tarnishes to purple or dark red. It occurs in copper deposits. Formula: Cu 5 FeS 4Also called: peacock ore
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Word Origin for bornite

C19: named after I. von Born (1742–91), Austrian mineralogist; see -ite 1
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