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0 item @ $0.00  

Bornite

#RW50061

Bornite

#RW50061
Availability
Sold
Size
4.5 x 4 x 3 cm - Miniature 
Formula
Cu5FeS4 (RRUFF)
Locality
Grasberg mine, Carstensz Mts, New Guinea, Papua, Indonesia
Tagged
sulfide , copper

Highly iridescent example of this rich copper ore specimen. The locality is the largest producing gold mine in the world and third largest copper mine.

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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