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pyrrhotite

NOUN
  1. a brownish iron sulfide mineral (FeS) having weak magnetic properties

How To Use pyrrhotite In A Sentence

  • In addition to the enstatite, forsterite, and PAHs, they are trying to model their spectra using a library containing dolomite (a carbonate), smectite (a clay), spinel/hibonite, pyrrhotite, iron oxide, and elemental carbon grains.
  • Many conclude that because pyrite is cubic, pyrrhotite must be hexagonal, as it often appears.
  • Nickel is found in many ores as sulfides, arsenides, antimonides & oxides or silicates; chief sources include chalcopyrite; others are pyrrhotite, pentlandite, garnierite, niccolite, millerite.
  • The 20 vein is comprised of an assemblage of semi-massive irregular clusters of sulphide chalcopyrite, pyrrhotite, pyrite, and minor tetrahedrite. Marketwire - Breaking News Releases
  • Other minerals mentioned from the mine by Dunham include galena, sphalerite, pyrite, chalcedony, and minor marcasite and pyrrhotite.
  • Iron and copper sulfides of this region are predominately pyrite, pyrrhotite, chalcopyrite, arsenopyrite, bornite, and marcasite.
  • Other sulfides, including pyrite, marcasite, chalcopyrite, and pyrrhotite, are occasionally found as well.
  • Lustrous pyrrhotite crystals on quartz and wolframite were recovered at one time from the ‘Cables’ section of the Chicote Grande mine, Bolivia.
  • Pseudomorphs of marcasite, chalcopyrite, pyrite, arsenopyrite, pyrargyrite, magnetite, and quartz after pyrrhotite have been reported.
  • Sulphide mineralization in these deposits tends to be disseminated throughout the body and is dominated by pyrrhotite and pentlandite phases.
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