Mineralogy Database

Akatoreite Mineral Data

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General Akatoreite Information

Help on Chemical Formula: Chemical Formula: (Mn++,Fe++)9Al2Si8O24(OH)8
Help on Composition: Composition: Molecular Weight = 1,282.75 gm
   Calcium     0.16 %  Ca    0.22 % CaO
   Magnesium   0.17 %  Mg    0.28 % MgO
   Manganese  36.88 %  Mn   47.61 % MnO
   Aluminum    4.40 %  Al    8.31 % Al2O3
   Iron        0.83 %  Fe    1.06 % FeO
   Silicon    16.97 %  Si   36.30 % SiO2
   Hydrogen    0.69 %  H     6.20 % H2O
   Oxygen     39.91 %  O
             ______        ______ 
             100.00 %       99.99 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+8.61Fe2+0.19Mg0.09Ca0.05Al2.09Si7.75O23.17(OH)8.83
Help on Environment: Environment: In a manganiferous metachert and carbonate lens in schists (Akatore Creek, New Zealand); in a manganiferous potassium-rich felsic metavolcanics (Norberg, Sweden).
Help on IMA Status: IMA Status: Approved IMA 1971
Help on Locality: Locality: In New Zealand, three km south of Akatore Creek, east Otago, South Island. From Norberg, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Akatoreite + Pronunciation Say AKATOREITE
Help on Synonym: Synonym: ICSD 41243
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