Pyroxmangite (rare USA locality material)

Sunnyside Mine, Gladstone, Eureka District, San Juan Co., Colorado
Miniature, 4.8 x 4.3 x 2.9 cm
Start Time: 12/01/2017 6:45:00 pm (CST)
End Time: 12/07/2017 6:45:00 pm (CST)
Auction Closed

Item Description

Vivid variable pink, translucent, pyroxmangite veins richly course through the sulfide matrix on this sculptural and rich 360-degree miniature from the famous Sunnyside Mine. This is an incredibly colorful, rich and rare example of this uncommon Mn-silicate from this noted locale. Old reports listed this a rhodonite, a polymorph, but modern analyses have proved this to be pyroxmangite. Very choice, rich and desirable material from the Robert Fender Collection.

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