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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
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| Boulangerite Vojtěch Mine, Březové Hory deposit, Březové Hory ore region, Příbram, Central Bohemia Region, Bohemia, Czech Republic
Item-No.: MINS1744 Price: 25.00 EUR
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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
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Hardness (Mohs): |
2,5 - 3 |
Colour: |
Lead grey |
Lustre: |
Metallic |
Streak: |
Brownisch |
Type locality: |
Molières, Gard, Occitanie, France |
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