Sentence Examples


  • Magnetic pyrites or pyrrhotite has a composition varying between Fe7S8 and Fe8S9, i.e.
  • Prospect, at the base of which there is a vein of pyrrhotite, with small quantities of nickel and copper.
  • PYRRHOTITE, a mineral species consisting of iron sulphide and crystallizing in the hexagonal system.
  • Crystals were first found in Cornwall (at Wheal Jane, near Truro, associated with pyrrhotite) by J.
 
 

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