Mines and mineral resources -- Colorado -- Mineral County
Creede Mining District (Colo.)
Chalcopyrite -- Colorado -- Mineral County
Sphalerite -- Colorado -- Mineral County
Veins (Geology) -- Colorado -- Mineral County
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AbstractDull, 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 the Creede mining district, Colorado.
For more information about the Minerals of Creede, Colorado and the collection, see: http://libguides.mines.edu/GeologyMuseum/digitalcollectionsCreede.