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Bornite

#26877
SOLD
Bornite from Mine57, block 31-50, 180 level, Dzhezkazgan Oblast', Kazakhstan - 26877
Bornite from Mine57, block 31-50, 180 level, Dzhezkazgan Oblast', Kazakhstan - 26877

Bornite

#26877
Availability
Sold
Size
12 x 3 x 13 cm - Cabinet 
Formula
Cu5FeS4 (RRUFF)
Locality
Mine57, block 31-50, 180 level, Dzhezkazgan Oblast', Kazakhstan
Notes
Discounts/Promos do NOT apply to this item

Large dark gray blocky Bornite crystals to 1.5cm on Quartz matrix. These crystals have multiple faces and appear to be modified psuedo-cubic in form and are set nicely on a large plate. Good large cabinet display piece.

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
3 

Data courtesy of Webmineral.

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