Mineralogy Database

Arzrunite Mineral Data

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General Arzrunite Information

Help on Chemical Formula: Chemical Formula: Cu4Pb2SO4(OH)4Cl6•2(H2O)
Help on Composition: Composition: Molecular Weight = 1,081.42 gm
   Copper    23.50 %  Cu   29.42 % CuO
   Hydrogen   0.75 %  H     6.66 % H2O
   Lead      38.32 %  Pb   41.28 % PbO
   Sulfur     2.97 %  S     7.40 % SO3
   Chlorine  19.67 %  Cl   19.67 % Cl
               -   %   Cl   -4.44 % -O=Cl2   
   Oxygen    14.79 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu4Pb2(SO4)(OH)4Cl6•2(H2O)
Help on Environment: Environment: A questionable species.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1899
Help on Locality: Locality: Buena Esperanza mine, Challacolla, Tarapaca, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Andreas Arzruni (1847-1898), German mineralogist, University of Aachen.