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Nenadkevichite Mineral Data
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General Nenadkevichite Information
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 Chemical Formula: |
(Na,Ca,K)(Nb,Ti)Si2O6(O,OH)•2(H2O) |
| Composition: |
Molecular Weight = 308.14 gm |
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Potassium 0.76 % K 0.92 % K2O |
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Sodium 6.71 % Na 9.05 % Na2O |
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Calcium 0.39 % Ca 0.55 % CaO |
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Titanium 4.66 % Ti 7.78 % TiO2 |
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Niobium 21.11 % Nb 30.19 % Nb2O5 |
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Silicon 18.23 % Si 39.00 % SiO2 |
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Hydrogen 1.41 % H 12.57 % H2O |
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Oxygen 46.73 % O |
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______ ______ |
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100.00 % 100.05 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.9K0.06Ca0.03Nb0.7Ti0.3Si2O6.7(OH)0.3•2(H2O) |
| Environment: |
Between crystals of microcline in a natrolite-albite-rich pegmatite in nepheline syenite in a differentiated alkalic massif. |
| IMA Status: |
Valid Species (Pre-IMA) 1955 (Dana # Changed from 60.1.3.1) |
| Locality: |
Lovozero Massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Konstantin A. Nenadkevich, Russian mineralogist and geochemist. |
| Name Pronunciation: |
Nenadkevichite + Pronunciation  |
| Synonym: |
ICSD 2584 |
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Nenadkevichite - (60.1.3.1) |
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PDF 25-1189 |
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