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Watatsumiite Mineral Data
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General Watatsumiite Information
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 Chemical Formula: |
Na2KMn2LiV2Si8O24 |
| Composition: |
Molecular Weight = 905.03 gm |
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Potassium 4.06 % K 4.89 % K2O |
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Barium 0.76 % Ba 0.85 % BaO |
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Sodium 5.28 % Na 7.12 % Na2O |
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Lithium 0.74 % Li 1.60 % Li2O |
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Magnesium 0.97 % Mg 1.60 % MgO |
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Titanium 1.90 % Ti 3.18 % TiO2 |
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Manganese 9.53 % Mn 12.31 % MnO |
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Vanadium 9.34 % V 16.68 % V2O5 |
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Iron 0.25 % Fe 0.32 % FeO |
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Silicon 24.73 % Si 52.91 % SiO2 |
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Oxygen 42.43 % O |
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______ ______ |
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100.00 % 101.46 % = TOTAL OXIDE |
| Empirical Formula: |
K0.94Ba0.05Na2.08Li0.97Mn2+1.57Mg0.36Fe2+0.04V5+1.66Ti0.36Si7.97O24 |
| Environment: |
Closely associated with potassicleakeite in the dump material from the No. 3 orebody (metamorphosed Mn ore). (isostructural with neptunite; structure) |
| IMA Status: |
Approved IMA 2003 (Dana # Added) |
| Locality: |
Tanohata mine, Iwate Prefecture, Japan. Link to MinDat.org Location Data. |
| Name Origin: |
Named after watatsumi, Japanese god of the sea as is the analogue (neptunite) neptune, Roman god of the sea. |
| Synonym: |
IMA2001-043 |
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