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Quadruphite-VIII Mineral Data
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General Quadruphite-VIII Information
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 Chemical Formula: |
Na14CaMgTi4(Si2O7)2(PO4)4O4F2 |
| Composition: |
Molecular Weight = 1,395.97 gm |
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Sodium 23.06 % Na 31.08 % Na2O |
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Calcium 2.87 % Ca 4.02 % CaO |
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Magnesium 1.74 % Mg 2.89 % MgO |
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Titanium 13.72 % Ti 22.89 % TiO2 |
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Silicon 8.05 % Si 17.22 % SiO2 |
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Phosphorus 8.88 % P 20.34 % P2O5 |
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Oxygen 38.97 % O |
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Fluorine 2.72 % F 2.72 % F |
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- %
F -1.15 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na14CaMgTi4(Si2O7)2(PO4)4O4F2 |
| IMA Status: |
Approved IMA 1992 |
| Locality: |
Mt. Alluaiv in the NW part of the Lovozero alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the Latin "quadruplex" and the element phosphorus, for the quantity of PO4 groups in the formula. |
| Name Pronunciation: |
Quadruphite-VIII + Pronunciation  |
| Synonym: |
IMA1990-026 |
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