Chalcopyrite - Zacataecas, Mexico

$ 15.00 

  • Chalcopyrite - Zacataecas, Mexico - Of Coins & Crystals
  • Chalcopyrite - Zacataecas, Mexico - Of Coins & Crystals
  • Chalcopyrite - Zacataecas, Mexico - Of Coins & Crystals

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Chalcopyrite is a copper and iron sulfide.  Often a brassy yellow when freshly mined, it tarnishes to an iridescent purple, blue or red when exposed to the atmosphere. This specimen does not disappoint - all colors are present. It is a lot heavier than one would expect from a chunk of rock this size.  1.07 lbs, 3.5" x 2" 

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