chalcopyrite: Meaning and Definition of

chal•co•py•rite

Pronunciation: (kal"ku-pī'rīt), [key]
— n.
  1. a very common mineral, copper iron sulfide, CuFeS, occurring in brass-yellow crystals or masses: the most important ore of copper; copper pyrites.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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