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Sphalerite coated by Bornite (rare find) 
Back to Collection Liquidation Auctions Part II - end Jan 21
Estaño Orcko mine, Colavi District, Saavedra Province, Potosà Department, Bolivia
- Starting Time:1/14/2010 06:45:00 PM(CST)
- Ending Time:1/21/2010 06:45:00 PM(CST)
Time Left:Auction Is Closed
- Size:SMALL CABINET
- Size Description:6.8 x 6.7 x 3.0 cm
Description:From the find from about 7 years ago, this is a piece from that great find at the Estano Horco mine. This small cabinet size specimen features a few good size, relatively sharp, dark, lustrous, modified dodecahedra of Sphalerite associated with pyritohedral crystals of Pyrite and acicular crystals of Jamesonite. The Sphalerite crystals have a very slight unusual "peacock blue-green" patina which is actually a Bornite "wash" that is seen on practically every specimen from this find. These are some of the most interesting and impressive Sphalerites I have seen in a while from Bolivia, despite being opaque. Don''t miss out on this one, as there are very few of these specimens around. I know they''re not the most attractive Sphalerite crystals in the world, but this was a one time find at this mine and the Sphalerites are unlike anything I''ve seen from any other ore body extant.
