Boulangerite

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Boulangerite


Anna Mine, Březové Hory deposit, Březové Hory ore region, Příbram, Central Bohemia Region, Bohemia, Czech Republic

Item-No.: 0300278

Price: 30.00 EUR

Boulangerite


Vojtěch Mine, Březové Hory deposit, Březové Hory ore region, Příbram, Central Bohemia Region, Bohemia, Czech Republic

Item-No.: MINS1744

Price: 25.00 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