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Enargite with Pyrite

#BC52703
SOLD
Enargite from Butte dist., Silver Bow Co., Montana, United States - BC52703
Enargite from Butte dist., Silver Bow Co., Montana, United States - BC52703

Enargite with Pyrite

#BC52703
Availability
Sold
Size
13 x 8 x 6 cm - Cabinet 
Formula
Cu3AsS4 (RRUFF)
Locality
Butte dist., Silver Bow Co., Montana, United States
Tagged
sulfide , copper

Museum specimen just loaded with splendid prismatic crystals of Enargite to 2cm. This is a fine specimen with some of the better Enargite crystals I have seen. Of course the locality is highly desireable. Both sides are covered with crystals.

Enargite

Formula
Cu3AsS4 
Crystal System
Orthorhombic 
Crystal Habit
Euhedral Crystals, Massive - Granular, Prismatic 
Cleavage
Perfect, Distinct, Distinct 
Luster
Metallic 
Color
steel gray, blackish gray, violet black 
Streak
black 
Class
Orthorhombic - Pyramidal 
Fracture
Uneven 
Hardness
3 

Data courtesy of Webmineral.

Collection
Barbara Cureton Collection
Mineralpedia
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