Mineralogy Database

Boulangerite Mineral Data

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General Boulangerite Information

Help on Chemical  Formula: Chemical Formula: Pb5Sb4S11
Help on Composition: Composition: Molecular Weight = 1,887.90 gm
   Antimony  26.44 %  Sb
   Lead      54.88 %  Pb
   Sulfur    18.68 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: Pb5Sb4.1S11
Help on Environment: Environment: Low to moderate temperature hydrothermal veins.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1837
Help on Locality: Locality: Moliļæ½res, Gard, Languedoc-Roussillon, France Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the French mining engineer, C. L. Boulanger (1810-1849). Later name from an occurrence near Mullan, Idaho.
Help on Name Pronunciation: Name Pronunciation: Boulangerite + Pronunciation Say BOULANGERITE
Help on Synonym: Synonym: Mullanite