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0 item @ $0.00  

Proustite

#PD32788

Proustite

#PD32788
Availability
Sold
Size
6 x 6.5 x 1.5 cm - Sm Cabinet 
Formula
Ag3AsS3 (RRUFF)
Locality
Freiberg dist., Erzgebirge, Saxony, Germany
Tagged
antique , sulfide

Adamantine red Proustite crystals and smears to 8mm on both sides of sulfide rich matrix. The old label with this piece is handwritten and from the collection of G. Emery, for whom unfortunately I cannot find any biographical information for. Although, there is some German handwritting that if translated may give some clues.

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
Phillips Collection
Special Info
Antique Specimen

Label from the G. Emery Collection

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