Boulangerite

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Boulangerite
Vojtěch Mine, Březové Hory, Příbram, Czech Republic

Item-No.: MINS1744
Price: 25.00 EUR 
Boulangerite
Pribram, Schacht Anna, CZ

Item-No.: 0300278
Price: 30.00 EUR 

Synonyms:  Bolidenite, Mullanite, Embrithite, Orlandinite, Plumbostibiite, Plumites, Yenerite
Classification:  Sulfides and sulfosalts
Chemical formula:  Pb5Sb4S11
Crystal system:  Monoclinic
Density (g/cm3):  6,2 measured, 6,21 calculated
Tenacity:  Brittle, flexible
Cleavage:
 Distinct - good
Hardness (Mohs):  2,5 - 3
Colour:  Lead grey
Lustre:  Metallic
Streak:  Brownisch
Type locality:  Molières, Gard, Occitanie, France

 


 

 


 

 
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