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2 definitions found
 for Chalcopyrite
From The Collaborative International Dictionary of English v.0.48 :

  Chalcopyrite \Chal`co*pyr"ite\, n. [Gr. chalko`s brass + E.
     pyrite. So named from its color.] (Min.)
     Copper pyrites, or yellow copper ore; a common ore of copper,
     containing copper, iron, and sulphur. It occurs massive and
     in tetragonal crystals of a bright brass yellow color.
     [1913 Webster]

From WordNet (r) 3.0 (2006) :

  chalcopyrite
      n 1: a yellow copper ore (CuFeS2) made up of copper and iron
           sulfide [syn: chalcopyrite, copper pyrites]

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