Mineralogy Database

Cotunnite Mineral Data

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General Cotunnite Information

Help on Chemical Formula: Chemical Formula: PbCl2
Help on Composition: Composition: Molecular Weight = 278.11 gm
   Lead      74.50 %  Pb   80.26 % PbO
   Chlorine  25.50 %  Cl   25.50 % Cl
               -   %   Cl   -5.75 % -O=Cl2   
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbCl2
Help on Environment: Environment: Oxidized lead deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1825
Help on Locality: Locality: Vesuvius, Italy. Tarapaca, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Domenico Cotugno (Cotunnius) (1736-1822), Italian physician and Professor of Anatomy, University of Naples, Naples, Italy.
Help on Synonym: Synonym: ICSD 27736
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