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This item sold on April 27, 2012.

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1 polyhalite from Carlsbad, new mexico measures 2" x 1". This is a fascinating piece, great for a collection.

Polyhalite is an evaporative mineral composed of potassium, calcium and magnesium sulfate salt. It forms in marine evaporite deposits where sea water has been concentrated and exposed to prolonged evaporation.


1 polyhalite specimen from Carlsbad, new mexico


  • Materials: crystals, minerals, polyhalite, evaporative minerals
  • Ships worldwide from United States
  • Feedback: 752 reviews
  • Favorited by: 1 person