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0 item @ $0.00  

Arsenopyrite

#WR58867

Arsenopyrite

#WR58867
Availability
Sold
Size
4 x 2.5 x 2.5 cm - Miniature 
Formula
FeAsS (RRUFF)
Locality
Santa Barbara, near Parral, Chihuahua, Mexico
Tagged
sulfide

Very nice, well-defined, sharp and silvery Arsenopyrite crystals. The largest crystal is 1.6mm.

Arsenopyrite

Formula
FeAsS 
Crystal System
Monoclinic 
Crystal Habit
Striated, Euhedral Crystals, Prismatic 
Cleavage
one distinct 
Luster
Metallic 
Color
tin white, light steel gray 
Streak
black 
Geological Setting
Widespread. Most commonly found in medium to high temperature veins.  
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
5.5 to 6 

Data courtesy of Webmineral.

Collection
Willard L. Roberts Collection

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