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Kongsbergite (Mercury-bearing Native Silver) (ex Brian Kosnar Collection)
- Santa Matilde Quarry, Cuevas de Almanzora, Almerua, Andalusia, Spain
- Miniature, 4.4 x 3.2 x 2.1 cm
- Start Time: 05/20/2010 6:45:00 pm (CDT)
- End Time: 05/27/2010 6:45:00 pm (CDT)
- Auction Closed
Item Description
A cool and rarely seen specimen of Kongsbergite from Spain featuring several, somewhat platy, very bright, sharp, lustrous, metallic crystals on matrix. Kongsbergite used to be a valid species, but is now a varierty of Silver containing about 5% Mercury. This is the very few pieces of this material that I have encountered.