General Akatoreite Information
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Chemical Formula: |
(Mn++,Fe++)9Al2Si8O24(OH)8 |
Composition: |
Molecular Weight = 1,282.75 gm |
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Calcium 0.16 % Ca 0.22 % CaO |
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Magnesium 0.17 % Mg 0.28 % MgO |
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Manganese 36.88 % Mn 47.61 % MnO |
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Aluminum 4.40 % Al 8.31 % Al2O3 |
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Iron 0.83 % Fe 1.06 % FeO |
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Silicon 16.97 % Si 36.30 % SiO2 |
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Hydrogen 0.69 % H 6.20 % H2O |
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Oxygen 39.91 % O |
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______ ______ |
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100.00 % 99.99 % = TOTAL OXIDE |
Empirical Formula: |
Mn2+8.61Fe2+0.19Mg0.09Ca0.05Al2.09Si7.75O23.17(OH)8.83 |
Environment: |
In a manganiferous metachert and carbonate lens in schists (Akatore Creek, New Zealand); in a manganiferous potassium-rich felsic metavolcanics (Norberg, Sweden). |
IMA Status: |
Approved IMA 1971 |
Locality: |
In New Zealand, three km south of Akatore Creek, east Otago, South Island. From Norberg, Sweden. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Akatoreite + Pronunciation |
Synonym: |
ICSD 41243 |
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PDF 25-533 |
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