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hessite

A monoclinic mineral, 4(Ag2Te) , with gold replacing silver toward petzite; soft; metallic gray; fine grained, massive, or compact; sp gr, 8.24 to 8.45; in hydrothermal veins associated with quartz, pyrite, and native gold; a source of silver in California, Colorado, Ontario, Mexico, Chile, Romania, and Zimbabwe.

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  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 points
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