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Isolueshite Mineral Data
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General Isolueshite Information
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 Chemical Formula: |
(Na,La,Ca)(Nb,Ti)O3 |
| Composition: |
Molecular Weight = 202.42 gm |
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Sodium 4.54 % Na 6.12 % Na2O |
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Calcium 3.96 % Ca 5.54 % CaO |
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Lanthanum 27.45 % La 32.19 % La2O3 |
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Titanium 5.91 % Ti 9.87 % TiO2 |
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Niobium 34.42 % Nb 49.24 % Nb2O5 |
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Oxygen 23.71 % O |
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______ ______ |
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100.00 % 102.96 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.4La0.4Ca0.2Nb0.75Ti0.25O3 |
| Environment: |
In a hydrothermally altered pegmatite vein cutting ijolite-urtite. A polymorph of lueshite. |
| IMA Status: |
Approved IMA 1997 (Dana # Added) |
| Locality: |
The Kukisvumchorr apatite deposit, southern part of the Khibina alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
The name reflects its isometric habit, optical isotropism and compositional similarity to its orthorhombic polymorph, lueshite. |
| Name Pronunciation: |
Isolueshite + Pronunciation  |
| Synonym: |
ICSD 90040 |
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IMA1995-024 |
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PDF 50-1626 |
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