Mineralogy Database

Iwakiite Mineral Data

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General Iwakiite Information

Help on Chemical  Formula: Chemical Formula: Mn++(Fe+++,Mn+++)2O4
Help on Composition: Composition: Molecular Weight = 229.99 gm
   Manganese  40.61 %  Mn   30.84 % MnO / 24.03 % Mn2O3
   Iron       31.57 %  Fe   40.61 % FeO
   Oxygen     27.83 %  O
             ______        ______ 
             100.00 %       95.48 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+Fe2+1.3Mn3+0.7O4
Help on Environment: Environment: Regionally metamorphosed bedded manganese deposit.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Gozaisho mine, Iwaki, Fukushima Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Iwakiite Say IWAKIITE
Help on Synonym: Synonym: ICSD 76612
  PDF 38-430
  alpha vrendenbergite
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