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Natrokomarovite Mineral Data
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General Natrokomarovite Information
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 Chemical Formula: |
Na6CaNb6[Si4O12F2•4(H2O) |
| Composition: |
Molecular Weight = 1,359.81 gm |
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Sodium 9.13 % Na 12.31 % Na2O |
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Calcium 2.36 % Ca 3.30 % CaO |
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Cerium 1.03 % Ce 1.21 % Ce2O3 |
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Titanium 2.11 % Ti 3.52 % TiO2 |
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Niobium 38.26 % Nb 54.73 % Nb2O5 |
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Silicon 8.26 % Si 17.67 % SiO2 |
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Hydrogen 0.59 % H 5.30 % H2O |
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Oxygen 35.18 % O |
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Fluorine 3.07 % F 3.07 % F |
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- %
F -1.29 % -O=F2 |
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______ ______ |
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100.00 % 99.82 % = TOTAL OXIDE |
| Empirical Formula: |
Na5.4Ca0.8Ce0.1Ti0.6Nb5.6(Si4O12)O13.9F2.2�4(H2O) |
| Environment: |
In alkalic syenites. |
| IMA Status: |
Not Approved IMA 1979 |
| Locality: |
Ilimaussaq massif, Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
Named in 1979 for Vladimir M. Komarov (1927-1967), Russian cosmonaut who was killed during his return flight on April 23, 1967 and the sodium content. |
| Synonym: |
Na-komarovite - Renamed Natrokomarvovite by Mineralogical Record, v39 (2008), p131 |
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Silicified pyrochlore |
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Sodium-Komarovite |
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