Definition of bornite in English:

bornite

Line breaks: born|ite
Pronunciation: /ˈbɔːnʌɪt
 
/

noun

[mass noun]
  • A brittle reddish-brown crystalline mineral with an iridescent purple tarnish, consisting of a sulphide of copper and iron.
    More example sentences
    • When it rises through fractures in the surrounding solid rocks, these metals are precipitated, normally as the minerals chalcopyrite, bornite, and molybdenite.
    • Iron and copper sulfides of this region are predominately pyrite, pyrrhotite, chalcopyrite, arsenopyrite, bornite, and marcasite.
    • We have not seen any good crystals of bornite from Gilman.

Origin

early 19th century: from the name of Ignatius von Born (1742–91), Austrian mineralogist, + -ite1.

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