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Labuntsovite-Fe Mineral Data
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General Labuntsovite-Fe Information
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 Chemical Formula: |
Na4K4(Ba,K)2(Fe,Mg,Mn)1+xTi8(Si4O12)4(O,OH)8•10(H2O) |
| Composition: |
Molecular Weight = 2,418.89 gm |
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Potassium 6.95 % K 8.37 % K2O |
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Barium 7.38 % Ba 8.24 % BaO |
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Sodium 4.09 % Na 5.51 % Na2O |
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Magnesium 0.20 % Mg 0.33 % MgO |
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Titanium 15.44 % Ti 25.76 % TiO2 |
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Manganese 0.23 % Mn 0.29 % MnO |
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Niobium 0.77 % Nb 1.10 % Nb2O5 |
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Iron 1.85 % Fe 2.38 % FeO |
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Silicon 18.58 % Si 39.74 % SiO2 |
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Hydrogen 0.93 % H 8.34 % H2O |
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Oxygen 43.59 % O |
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______ ______ |
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100.00 % 100.07 % = TOTAL OXIDE |
| Empirical Formula: |
Na4.3K4.3Ba1.3(H2O)2.2Fe2+0.8Mg0.2Mn2+0.1Ti7.8Nb0.2Si16O53.4(OH)2.6�7.7(H2O) |
| Environment: |
Occurs in K-feldspar-natrolite-calcite veinlets in hydrothermally altered urtite. Labuntsovite group, structure |
| IMA Status: |
Approved IMA 2002 (Dana # Added) |
| Locality: |
Mount Kukisvumchorr, Khibiny alkaline massif, Kola Peninsula. Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named as the Fe dominant member of the labuntsovite subgroup. |
| Name Pronunciation: |
Labuntsovite-Fe + Pronunciation  |
| Synonym: |
IMA1998-051 |
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