Sentence Examples


  • By definition is contains chalcopyrite together with covellite, chalcocite and digenite (and rare bornite).
  • In the Bay Complex narrow zones of bleached rock are rich in calcite, chlorite and pyrite and contain minor chalcopyrite and pyrrhotite.
  • In the Bay Complex narrow zones of bleached rock are rich in calcite, chlorite and pyrite and contain minor chalcopyrite and pyrrhotite.
  • More surprisingly, the metallic yellow mineral chalcopyrite, often known as fools ' gold, also has a black streak.
  • The estimates which follow assume that carbonate as well as oxidized chalcopyrite ores were removed from the known extent of the early workings.

How would you define chalcopyrite? Add your definition here.

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