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Taneyamalite Mineral Data
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General Taneyamalite Information
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 Chemical Formula: |
(Na,Ca)(Mn++,Mg)12[(Si,Al)6O17]2(O,OH)10 |
| Composition: |
Molecular Weight = 1,697.49 gm |
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Sodium 1.22 % Na 1.64 % Na2O |
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Calcium 0.24 % Ca 0.33 % CaO |
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Magnesium 1.58 % Mg 2.61 % MgO |
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Manganese 18.77 % Mn 24.24 % MnO |
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Aluminum 1.11 % Al 2.10 % Al2O3 |
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Iron 15.79 % Fe 12.27 % FeO / 8.94 % Fe2O3 |
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Silicon 19.03 % Si 40.71 % SiO2 |
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Hydrogen 0.80 % H 7.11 % H2O |
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Oxygen 41.47 % O |
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______ ______ |
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100.00 % 99.95 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.9Ca0.1Mn2+5.8Fe2+2.9Fe3+1.9Mg1.1Al0.3Si11.5Al0.4O30.6(OH)13.4 |
| Environment: |
In cracks in ferruginous chert, mafic rocks and limestones subjected to blueschist facies metamorphism. |
| IMA Status: |
Approved IMA 1981 |
| Locality: |
Taneyama mine, Kumamoto Prefecture and Iwaizama mine, Saitama Prefecture, Honshu, Japan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Taneyamalite + Pronunciation  |
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