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Boulangerite

#PD31990

Boulangerite

#PD31990
Availability
Sold
Size
4 x 4.5 x 1 cm - Miniature 
Formula
Pb7Sb8S19 (RRUFF)
Locality
Pribram, Bohemia, Czech Republic
Tagged
sulfide

Fine metallic, grey needles of Boulangerite, originally labelled as Heteromorphite covering much of the specimen face. The label is from Paul Moore.

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.

Collection
Phillips Collection

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