Proustite with Pyrostilpnite (old classic) (ex Kay Robertson Collection)

Trebsko, Príbram District, Central Bohemian Region, Czech Republic
Thumbnail, 2.6 x 2.6 x 1.8 cm
Start Time: 11/07/2019 6:30:00 pm (CST)
End Time: 11/14/2019 6:40:00 pm (CST)
Auction Closed

Item Description

A cool thumbnail specimen from Trebsko featuring a few small, blood red, gemmy crystals of Proustite measuring up to about 2-3 mm sitting on semi-radial dark reddish-black groups of Pyrostilpnite on matrix. Hard to find on the market, and I'm fairly certain this is the first piece of Proustite that we've had to offer from this locality. Ex Kay Robertson Collection (#10016). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017).

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