Photo category:
Rocks and Minerals specimen collection

  • Photo taken Locality: Brazil
  • Photo taken by:
    Trichas, A.
  • Photo taken date:
    March 2013
Amethyst
Mineral
Geology
Geology

Photo of an Amethyst geoid with violet or purple color. A variant of the mineral quartz used for decorative purposes as a gemstone. It has a vitreous luster and chemical composition of silicabioxide. Hardness 7.

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