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Shkatulkalite Mineral Data
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General Shkatulkalite Information
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 Chemical Formula: |
{(Na,Mn,Ca,[ ])4[Nb2(O,H2O)4Si4O14](OH,F)2}•2(H2O,[ ]) |
| Composition: |
Molecular Weight = 1,086.02 gm |
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Sodium 5.82 % Na |
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Calcium 0.92 % Ca |
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Manganese 5.06 % Mn |
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Niobium 17.11 % Nb |
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Silicon 10.34 % Si |
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Hydrogen 2.41 % H |
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Oxygen 57.46 % O |
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Fluorine 0.87 % F |
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______ |
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100.00 % |
| Empirical Formula: |
Na2.75Mn2+Ca0.25Nb2O3•(H2O)(Si2O7)212(OH)1.5F0.5�3(H2O) |
| Environment: |
In hyperagpaitic pegmatites. Similar to epistolite and murmanite. |
| IMA Status: |
Approved IMA 1996 (Dana # Added) |
| Locality: |
Mount Alluaiv in the northwestern part of the Lovozero Alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
For the Shkatulka vein in which the mineral was found. |
| Name Pronunciation: |
Shkatulkalite + Pronunciation  |
| Synonym: |
IMA1993-058 |
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