Mineralogy Database

Lorettoite Mineral Data

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General Lorettoite Information

Help on Chemical  Formula: Chemical Formula: Pb7O6Cl2
Help on Composition: Composition: Molecular Weight = 1,617.30 gm
   Lead      89.68 %  Pb   96.61 % PbO
   Chlorine   4.38 %  Cl    4.38 % Cl
               -   %   Cl   -0.99 % -O=Cl2   
   Oxygen     5.94 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb7O6Cl2
Help on Environment: Environment: Oxidized lead ores associated with ancient lead slags. Shown to be a man made equivalent of cubutite at the type locality.
Help on IMA Status: IMA Status: Discredited IMA 1979
Help on Locality: Locality: Loretto, Tennessee, USA. Laurium, Greece. Chubut, Argentina. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1916 for its original locality.