Mineralogy Database

Pseudograndreefite Mineral Data

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General Pseudograndreefite Information

Help on Chemical  Formula: Chemical Formula: Pb6SO4F1O
Help on Composition: Composition: Molecular Weight = 1,529.25 gm
   Lead      81.29 %  Pb   87.57 % PbO
   Sulfur     2.10 %  S     5.24 % SO3
   Oxygen     4.18 %  O
   Fluorine  12.42 %  F    12.42 % F
               -   %   F    -5.23 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb6(SO4)F10
Help on Environment: Environment: Vug isolated from acidic sulfate-rich solutions in the oxidized zone of a low-temperature Pb-Cu-Ag deposit.
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Grand Reef mine, about six km northeast of Klondyke, Aravaipa district, Graham Co., Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for false, and its relation to grandreefite.
Help on Name Pronunciation: Name Pronunciation: Pseudograndreefite + Pronunciation Say PSEUDOGRANDREEFITE