Pyroxmangite (rare) (cut by Brett Kosnar)

Sunnyside mine, near Silverton, San Juan County, Colorado
Gems, 12.48 ct, 13.60 mm
Start Time: 06/09/2011 7:00:00 pm (CDT)
End Time: 06/16/2011 7:00:00 pm (CDT)
Auction Closed

Item Description

Pyroxmangite is a fairly simple, yet fairly rare Manganese Silicate which is rarely found in such rich samples as the Sunnyside mine in Colorado. This piece is a beautiful "Modified Round" cut gem of light pink Pyroxmangite. The stone was faceted by Brett Kosnar in May of 2011, and is certainly one of VERY few faceted Pyroxmangites that we know of from Colorado. This piece has a great concentration for this mine, and although it is massive Pyroxmangite, it's a great rarity for collectors. For a long time, this material was thought to be Rhodonite, but this is not the case, and virtually all of the "Rhodonite" from the Sunnyside has been analyzed and is confirmed as being Pyroxmangite. Considering that Pyroxmangite is even more rare than Rhodonite, I think this is a wonderful opportunity to buy a superb sample of this hard to find material from a now defunct San Juan locality. Valued at $249.60 high retail.

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