Mineralogy Database

Iowaite Mineral Data

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General Iowaite Information

Help on Chemical Formula: Chemical Formula: Mg4Fe+++(OH)8OCl•2-4(H2O)
Help on Composition: Composition: Molecular Weight = 394.62 gm
   Magnesium  24.64 %  Mg   40.85 % MgO
   Iron       14.15 %  Fe   20.23 % Fe2O3
   Hydrogen    3.58 %  H    31.96 % H2O
   Chlorine    8.98 %  Cl    8.98 % Cl
                -   %   Cl   -2.03 % -O=Cl2   
   Oxygen     48.65 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg4Fe3+(OH)8OCl•3(H2O)
Help on Environment: Environment: Veinlets in serpentinite.
Help on IMA Status: IMA Status: Approved IMA 1967
Help on Locality: Locality: Sioux County, Iowa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Iowaite Say IOWAITE
Help on Synonym: Synonym: ICSD 15202
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