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1 item @ $25.00  

Tennantite with Tyrolite

#33622

Tennantite with Tyrolite

#33622
Availability
Sold
Size
6.5 x 5 x 4 cm - Sm Cabinet 
Formula
Cu12As4S13 (RRUFF)
Locality
Gold Hill mine, Tooele Co., Utah, United States
Tagged
copper , sulfides

Massive Tennantite covering a 4x2cm area in Quartz with plates of bluish green Tyrolite.

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.

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