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bornite

NOUN
  1. a mineral consisting of sulfides of copper and iron that is found in copper deposits

How To Use bornite In A Sentence

  • Lovering, Tweto, and Lovering noted small veinlets of tetrahedrite cutting interbanded chalcopyrite and bornite.
  • We have not seen any good crystals of bornite from Gilman.
  • In the easy recognition of the secondary copper sulphides, chalcocite, bornite, etc., the engineer finds a finger-post on the road to extension in depth; and the directions upon this post are not to be disregarded. Principles of Mining Valuation, Organization and Administration
  • Other minerals suggested as coloring agents are malachite, tenorite, and bornite.
  • Some of the chalcopyrite is rimmed by bornite and more rarely by covellite and/or chalcocite.
  • The copper mineralization within the upper 300 metres of the deposit includes both supergene digenite-covellite and hypogene chalcocite-bornite replacing earlier chalcopyrite. Marketwire - Breaking News Releases
  • Some of the chalcopyrite is rimmed by bornite and more rarely by covellite and/or chalcocite.
  • When it rises through fractures in the surrounding solid rocks, these metals are precipitated, normally as the minerals chalcopyrite, bornite, and molybdenite.
  • Mixed copper mineralization may contain both chalcocite-covellite and chalcopyrite-bornite mineralization. The Earth Times Online Newspaper
  • In the periphery of the oxidation, copper mineralization occurs as chalcopyrite, bornite, tennantite and mispickel.
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