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Freibergite

#DP50869

Freibergite

#DP50869
Availability
Sold
Size
5.5 x 5 x 3 cm - Sm Cabinet 
Formula
Ag6Cu4Fe2Sb4S13 (RRUFF)
Locality
American Tunnel, Silverton, San Juan Co., Colorado, United States
Tagged
sulfide , copper , silver

Silvery to dull grey crystalline layer of Freibergite on Pyrite matrix. Scott Willaims tag.

Freibergite

Formula
Ag6Cu4Fe2Sb4S13 
Crystal System
Isometric 
Crystal Habit
Massive - Granular 
Cleavage
None, None, None 
Luster
Metallic 
Color
gray, steel gray, black 
Streak
reddish black 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 

Data courtesy of Webmineral.

Collection
Don Phillips Collection

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