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0 item @ $0.00  

Bournonite

#64534

Bournonite

#64534
Availability
Sold
Size
6 x 5 x 2.5 cm - Sm Cabinet 
Formula
CuPbSbS3 (RRUFF)
Locality
Rochna,Transylvania, Romania
Tagged
sulfide , copper

One large 1.2cm crystal and numerous smaller showing cogwheel twinning. It is associated with Sphalerite and Pyrite.

Antique Specimen

Bournonite

Formula
CuPbSbS3 
Crystal System
Orthorhombic 
Crystal Habit
Platy, Pseudo Cubic, Cog-wheel 
Cleavage
Imperfect, None, None 
Luster
Metallic 
Color
gray, black, steel gray 
Streak
gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Sub Conchoidal 
Hardness

Data courtesy of Webmineral.

Special Info
Antique Specimen

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