Colorado Minerals

Specimens

Gold, Sphalerite, Chalcopyrite in Quartz v. Chalcedony

East of Telluride
collected by miners early 1900s

Mine: Black Bear mine
County: Telluride area
Location: Telluride area
Dimensions: 2 3/4" x 1 7/8" x 3/16" [70 x 46 x 4mm], 37.1 grams
Mineral: Gold

Slab of unusual native gold with slight tarnish, probably due to included copper, intimately intermixed with fine-grained black sphalerite, in a white to almost clear chalcedony, with chalcopyrite mixed with coarser black sphalerite on other edge of slab.

Price: $300.00  Add to Cart

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