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0 item @ $0.00  

Bornite

#RW47042

Bornite

#RW47042
Availability
Sold
Size
8 x 5 x 1 cm - Sm Cabinet 
Formula
Cu5FeS4 (RRUFF)
Locality
Excelsior mine, Cerro de Pasco, Pasco dept., Peru
Tagged
sulfide , copper

Blue iridescent good crystals to 3mm across face of thin plate. It is associated with micro crystals of Chalcocite, deep red Sphalerite, and Pyrite. There is coverage on the backside, though much smaller crystals.

Bornite

Formula
Cu5FeS4 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Granular, Reniform, Granular 
Cleavage
Imperfect, None, None 
Luster
Metallic 
Color
copper red, bronze brown, purple 
Streak
grayish black 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness

Data courtesy of Webmineral.

Collection
Robert J. Waidler Collection
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