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Tetrahedrite with Siderite

#RW54215

Tetrahedrite with Siderite

#RW54215
Availability
Sold
Size
13.5 x 7 x 2.5 cm - Cabinet 
Formula
Cu12Sb4S13 (RRUFF)
Locality
Sunshine mine, Kellogg, Shoshone Co., Idaho, United States
Tagged
sulfide , copper

This is a large cabinet specimen of Tetrahedrite flooding through carbonate matrix. You can see where the the brown Siderite was engulfed by the sulfide bearing fluids. 

Tetrahedrite

Formula
Cu12Sb4S13 
Crystal System
Isometric 
Crystal Habit
Massive - Granular, Massive 
Cleavage
None, None, None 
Luster
Metallic 
Color
iron gray, black, steel gray 
Streak
black 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 

Data courtesy of Webmineral.

Collection
Robert J. Waidler Collection

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