Boulangerite
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| Boulangerite | |
|---|---|
 Boulangerite, covering a block of limestone | |
| General | |
| Category | Sulfosalt minerals |
| Formula (repeating unit) | Pb5Sb4S11 |
| Strunz classification | 02.HC.15 |
| Identification | |
| Crystal system | Monoclinic |
| Luster | Metallic |
| Streak | Black |
| References | [1] |
Boulangerite is a sulfosalt mineral, lead antimony sulfide, formula Pb5Sb4S11. It was named in 1837 in honor of French mining engineer Charles Boulanger (1810–1849). It forms metallic grey monoclinic crystals.[2][3] Sometimes the crystals form a fine feathery mass which has been called plumosite. Boulangerite is used as a lead ore.[1]
References
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Wikimedia Commons has media related to Boulangerite. |
- ↑ 1.0 1.1 Harlow, George, Joseph Peters, and Martin Prinz. "Sulfides." Simon & Schuster's Guide to Rocks and Minerals. New York: Simon & Schuster, 1977. Entry 44. Print.
- ↑ http://webmineral.com/data/Boulangerite.shtml Webmineral data
- ↑ http://www.mindat.org/min-738.html Mindat
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