Mineralogy Database

Finnemanite Mineral Data

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General Finnemanite Information

Help on Chemical  Formula: Chemical Formula: Pb5(As+++O3)3Cl
Help on Composition: Composition: Molecular Weight = 1,440.21 gm
   Arsenic   15.61 %  As   20.61 % As2O3
   Lead      71.93 %  Pb   77.49 % PbO
   Chlorine   2.46 %  Cl    2.46 % Cl
               -   %   Cl   -0.56 % -O=Cl2   
   Oxygen    10.00 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb5(AsO3)3Cl
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1923
Help on Locality: Locality: L�ngban mine, Bergslagen ore district, Filipstad, V�rmland (Wermland), Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for K.J. Finneman who discovered the mineral.
Help on Name Pronunciation: Name Pronunciation: Finnemanite + Pronunciation Say FINNEMANITE
Help on Synonym: Synonym: ICSD 100168
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