Mineralogy Database

Plumbotsumite Mineral Data

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General Plumbotsumite Information

Help on Chemical  Formula: Chemical Formula: Pb5Si4O8(OH)10
Help on Composition: Composition: Molecular Weight = 1,446.41 gm
   Silicon    7.77 %  Si   16.62 % SiO2
   Hydrogen   0.70 %  H     6.23 % H2O
   Lead      71.63 %  Pb   77.16 % PbO
   Oxygen    19.91 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb5Si4O8(OH)10
Help on Environment: Environment: A secondary mineral developed in the oxidized zone above complex galena-bearing ores.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: From Tsumeb, Namibia. In the Mammoth-St. Anthony mine, Tiger, Pinal Co., Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For lead, PLUMBum, in the mineral's composition, and the type locality, TSUMeb, Namibia.
Help on Name Pronunciation: Name Pronunciation: Plumbotsumite + Pronunciation Say PLUMBOTSUMITE