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0 item @ $0.00  

Boulangerite

#23860

Boulangerite

#23860
Availability
Sold
Size
4.5 x 4 x 2 cm - Miniature 
Formula
Pb5Sb4S11 (RRUFF)
Locality
Cleveland mine, Stevens Co., Washington, United States
Tagged
sulfide , ore specimen

Solid mass of compact Boulangerite ore composed of needle-like crystals in tight divergent groups.

Boulangerite

Formula
Pb5Sb4S11 
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Massive - Fibrous, Plumose 
Cleavage
Indistinct, Indistinct, None 
Luster
Metallic 
Color
lead gray, blue gray, gray 
Streak
reddish brown 
Class
Orthorhombic 
Fracture
Brittle 
Hardness
2.5 

Data courtesy of Webmineral.

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