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

  Pyrrhotine \Pyr"rho*tine\, Pyrrhotite \Pyr"rho*tite\, n. [Gr. ?
     flame-colored, fr. ? fire.] (Min.)
     A bronze-colored mineral, of metallic luster. It is a
     sulphide of iron, and is remarkable for being attracted by
     the magnet. Called also magnetic pyrites.
     [1913 Webster] pyrrol

From WordNet (r) 3.0 (2006) :

      n 1: a brownish iron sulfide mineral (FeS) having weak magnetic
           properties [syn: pyrrhotite, pyrrhotine, magnetic

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