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Trogtalite (rare & rare locale) Belsky Coll.
- El Dragon mine, Potosi Department, Bolivia
- Thumbnail, 1.9 x 0.7 x 0.6 cm
- Start Time: 02/01/2015 6:30:00 pm (CST)
- End Time: 02/05/2015 6:43:50 pm (CST)
- Auction Closed
Item Description
Trogtalite is an ultra rare CO-selenide and this obscure small mine is the richest natural selenium deposit in the world (Mineralogical Record, 1990, Vol. 21, # 2). Clusters of bright robins egg-blue microcrystals are noted on all sides of the thumbnail matrix. The piece also comes with an Excalibur Mineral Co. label, reputable rarities dealers. This VERY RICH specimen is possibly unique to the locale. Ex Howard Belsky Collection. Value??