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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 ...
Galena with very thin coating of hematite
Author(s):Raines, Ed; Mines Museum of Earth Science
Date:2017
Format:born digital; digital photographs
Grey crystals of galena with a thin reddish coating from the Amethyst mine, Amethyst vein, Creede mining district, Colorado.
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 ...
Silver
Author(s):Raines, Ed; Mines Museum of Earth Science
Date:2017
Format:born digital; digital photographs
Branching arborescent growth of silver crystals from the Bulldog mine, Creede mining district, Colorado.
Galena
Author(s):Raines, Ed; Mines Museum of Earth Science
Date:2017
Format:born digital; digital photographs
Bright gray, partly skeletal crystal from the Bulldog mine, Bulldog vein, Creede mining district, Colorado.
Pyrite
Author(s):Raines, Ed; Mines Museum of Earth Science
Date:2017
Format:born digital; digital photographs
Mineral specimen represents one single pyritohedral crystal and is from the Creede mining district, Colorado.
Chalcopyrite with sphalerite
Author(s):Raines, Ed; Mines Museum of Earth Science
Date:2017
Format:born digital; digital photographs
Brassy chalcopyrite crystals on very dark brown to resinous brown sphalerite crystals. This mineral specimen is from the Bachelor mine, Amethyst vein system, Creede mining district, Colorado.