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Bournonite with Pyrite

#64554

Bournonite with Pyrite

#64554
Availability
Sold
Size
0.5 x 0.4 x 0.4 cm - Thumbnail 
Formula
CuPbSbS3 (RRUFF)
Locality
Rodna mine, Rodna, Bistrița-Năsăud Co., Romania
Tagged
sulfide , copper

There are three little specimen in a vial with crumbs. The main specimen shows good "cogwheel" habit. It is 5mm across.

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.

Collection
Ex. A.E. Seaman Museum
Special Info
Antique Specimen

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