Mineralogy Database

Wiserite Mineral Data

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General Wiserite Information

Help on Chemical  Formula: Chemical Formula: Mn4B2O5(OH,Cl)4
Help on Composition: Composition: Molecular Weight = 398.62 gm
   Manganese  55.13 %  Mn   71.18 % MnO
   Boron       5.42 %  B    17.46 % B2O3
   Hydrogen    0.88 %  H     7.91 % H2O
   Chlorine    4.45 %  Cl    4.45 % Cl
                -   %   Cl   -1.00 % -O=Cl2   
   Oxygen     34.12 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+4B2O5(OH)3.5Cl0.5
Help on Environment: Environment: Accessory mineral in stratiform manganese deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1845
Help on Locality: Locality: Gonzen mine, near Sargans, St. Gallen, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for David Friedrich Wiser (1802-1878), Swiss mineralogist who first analyzed the mineral.
Help on Name Pronunciation: Name Pronunciation: Wiserite Say WISERITE
Help on Synonym: Synonym: ICSD 203150
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