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Bournonite with Chalcopyrite

#AH52189

Bournonite with Chalcopyrite

#AH52189
Availability
Sold
Size
7 x 6 x 3 cm - Sm Cabinet 
Formula
CuPbSbS3 (RRUFF)
Locality
Ancash dept., Peru
Tagged
sulfide , copper

Stubby, silvery, and heavily striated Bournonite crystals to 4mm associated with good crystals Chalcopyrite. Some of the Chalcopyrite is coating over large Tetrahedrite crystals. The matrix is Galena.

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
Arnold G Hampson Collection

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