1.48" Polished Covellite Oval Cabochon

This is a 1.48" tall, oval cabochon made from covellite that was collected from the Butte Mining District of Butte, Montana. The covellite has been backed with a thin sheet of black agate for stability.

Covellite is a copper sulfide mineral with the basic chemical formula CuS. Well-formed covellite crystals are considered rare: most examples are found in massive forms. It typically exhibits an iridescent effect with a lustrous indigo-blue color and occasional spots of red. Covellite commonly formsas a secondary mineral in copper sulfide deposits. Butte, Montana and Tuscany, Italy are two locations that have produced exceptional covellite crystal specimens.
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DETAILS
SPECIES
Covellite
LOCATION
Butte Mining District, Butte, Montana.
SIZE
1.48 x .83", .19" thick
CATEGORY
ITEM
#171379