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0 item @ $0.00  

Tennantite with Acanthite

#PD36639

Tennantite with Acanthite

#PD36639
Availability
Sold
Size
5.5 x 3.5 x 3 cm - Sm Cabinet 
Formula
Cu12As4S13 (RRUFF)
Locality
Mountain Consolidated mine, Butte, Silver Bow Co., Montana, United States
Tagged
sulfide , copper

A good ore specimen loaded with sulfides, mainly Tennantite, but also nice crystals of 2mm Acanthite. A good locality to have in your collection.

EDS Confirmed

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
Special Info
EDS Confirmed

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