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Proustite on Arsenic ps after Safflorite

#RW47520

Proustite on Arsenic ps after Safflorite

#RW47520
Availability
Sold
Size
5 x 4 x 3.5 cm - Miniature 
Formula
Ag3AsS3 (RRUFF)
Locality
Grube 366, Erzgebirge, Saxony, Germany
Tagged
sulfide , silver

There are numerous cherry red Proustite crystals scattered through this specimen. They are from 1 to 5mm. The 5mm is a group of smaller crystals. This is an interesting specimen which was formerly "herringbone" habit Safflorite and replaced by Arsenic and measure 3cm long. These patterns occur on three sides. 

Excellent old specimen originally from the E.M. Gunnell collection.

Antique Specimen

Proustite

Formula
Ag3AsS3 
Crystal System
Trigonal 
Crystal Habit
Massive, Crystalline - Poor, Blocky 
Cleavage
None, None, None 
Luster
Sub Metallic 
Color
vermilion, reddish gray 
Streak
vermilion red 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Sectile 
Hardness
2-2.5 

Data courtesy of Webmineral.

Collection
Robert J. Waidler Collection
Special Info
Antique Specimen
Mineralpedia
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On Dakota Matrix
Previously Sold Proustite
On Dakota Matrix
Other Available Proustite
WebMineral
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Mindat
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