bornite

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English[edit]

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Etymology[edit]

Born +‎ -ite, after Ignaz von Born, Austrian mineralogist.

Noun[edit]

bornite (plural bornites)

  1. (mineralogy) A reddish mineral that tarnishes on exposure to air; it is a mixed sulfide of iron and copper with the chemical formula Cu5FeS and is an important ore of copper.

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