• Sphalerite with galena, quartz variety amethyst, and minor hematite 

        Author(s):Raines, Ed; Mines Museum of Earth Science
        Date:2017
        Format:born digital; digital photographs
        Mineral specimen is from the Commodore mine, Amethyst vein system, Creede mining district, Colorado. Some of the sphalerite exhibits twinning according to the spinel law, some of which has a polysynthetic habit. The galena ...
      • Sphalerite on galena 

        Author(s):Raines, Ed; Mines Museum of Earth Science
        Date:2017
        Format:born digital; digital photographs
        Mineral specimen is from the Commodore mine, Amethyst vein system, Creede mining district, Colorado. Some of the sphalerite exhibits twinning according to the spinel law, some of which has a polysynthetic habit.
      • Chalcopyrite with sphalerite 

        Author(s):Raines, Ed; Mines Museum of Earth Science
        Date:2017
        Format:born digital; digital photographs
        Dull, brassy chalcopyrite crystals on resinous brown to darker brown sphalerite. Some of the sphalerite exhibits twinning according to the spinel law, some of which has a polysynthetic habit. This mineral specimen is from ...
      • Sphalerite stalactites 

        Author(s):Raines, Ed; Mines Museum of Earth Science
        Date:2017
        Format:born digital; digital photographs
        Stalactitic growth of sphalerite from the Bulldog mine, Creede mining district, Colorado.