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Nambulite Mineral Data
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General Nambulite Information
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 Chemical Formula: |
(Li,Na)Mn++4[Si5O14(OH)] |
| Composition: |
Molecular Weight = 612.13 gm |
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Sodium 0.94 % Na 1.27 % Na2O |
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Lithium 0.85 % Li 1.83 % Li2O |
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Manganese 35.90 % Mn 46.35 % MnO |
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Silicon 22.94 % Si 49.08 % SiO2 |
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Hydrogen 0.16 % H 1.47 % H2O |
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Oxygen 39.21 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Li0.75Na0.25Mn2+4Si5O14(OH) |
| Environment: |
Forms a series with natronambulite. |
| IMA Status: |
Approved IMA 1972 |
| Locality: |
Funakozawa mine, Kitakami Mountains, Iwate Prefecture, Japan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Matsuo Nambu (1917-), mineralogist, Tohoko University, Japan. |
| Name Pronunciation: |
Nambulite + Pronunciation  |
| Synonym: |
ICSD 1974 |
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PDF 27-1253 |
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