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Tennantite

#PD31833
SOLD
TENNANTITE from Stewart mine, Butte, Silver Bow Co., Montana, United States - PD31833
TENNANTITE from Stewart mine, Butte, Silver Bow Co., Montana, United States - PD31833

Tennantite

#PD31833
Availability
Sold
Size
4 x 4 x 3 cm - Miniature 
Formula
Cu12As4S13 (RRUFF)
Locality
Stewart mine, Butte, Silver Bow Co., Montana, United States
Tagged
sulfide

Cluster of Tennentite crytsals throughout this matrix. There are other unidentified sulfides in this matrix. Under the scope the forms of Tennantite can be easily seen.

Tennantite

Formula
Cu12As4S13 
Crystal System
Isometric 
Crystal Habit
Massive - Granular, Massive, Disseminated 
Cleavage
None, None, None 
Luster
Metallic 
Color
steel gray, black 
Streak
reddish gray 
Class
Isometric - Hextetrahedral 
Fracture
Hackly 
Hardness
3.5-4 

Data courtesy of Webmineral.

Collection
Phillips Collection
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