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Proustite on Arsenic

#PD34249

Proustite on Arsenic

#PD34249
Availability
Sold
Size
5 x 8 x 3 cm - Sm Cabinet 
Formula
Ag3AsS3 (RRUFF)
Locality
Huancavelica, Peru
Tagged
sulfide

Crude cherry-red crystals of Proustite to 4mm and red crystalline fillings in the open spaces of what I believe to be a solid piece of dull black Arsenic.

There is a single well formed Proustite crystal to 5mm tucked in a vug on the side of the matrix I just noticed, which is not pictured.

 

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
Mineralpedia
View Proustite
On Dakota Matrix
Previously Sold Proustite
On Dakota Matrix
Other Available Proustite
WebMineral
View Proustite
Mindat
View Proustite

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