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Bournonite with Sphalerite

#PD31142

Bournonite with Sphalerite

#PD31142
Availability
Sold
Size
5.5 x 4 x 4 cm - Sm Cabinet 
Formula
CuPbSbS3 (RRUFF)
Locality
St. Laurent le Minier, Province du Gard, France

Steel gray distorted Bournonite crystals to over 1cm, that almost appear to be melted, on dark yellow-brown Sphalerite.

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.

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