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0 item @ $0.00  

Bournonite

#PD31726

Bournonite

#PD31726
Availability
Sold
Size
3 x 4 x 2 cm - Miniature 
Formula
CuPbSbS3 (RRUFF)
Locality
Quiruvilca mine, Santiago de Chuco prov., La Libertad dept., Peru

Pretty good cluster of cogswheel twinned Bournonite crystals each to about 1.5 cm long by at 1cm across the prism axis.

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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