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Colusite
- East Colusa Mine, Berkeley Pit, Butte, Silver Bow County, Montana (Type Locality)
- Miniature, 5.0 x 3.6 x 2.1 cm
- Start Time: 12/11/2014 6:45:00 pm (CST)
- End Time: 12/18/2014 6:45:00 pm (CST)
- Auction Closed
Item Description
It is rare to find well-developed crystals of Colusite from the famous mines at Butte, for which the East Colusa Mine is the Type Locality. This excellent specimen features reasonably well-formed silvery bronze colored modified octahedron / dodecahedron and RARELY seen {210} hextetrahedral faces! Colusite crystals to a few mm richly scattered among small Quartz crystals. Colusite is a rare copper, vanadium, arsenic, tin, antimony, sulfosalt and specimens like this are few and far between on the market.