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Normandite Mineral Data
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General Normandite Information
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 Chemical Formula: |
NaCa(Mn++,Fe++)(Ti,Nb,Zr)Si2O7(O,F)2 |
| Composition: |
Molecular Weight = 385.62 gm |
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Sodium 5.96 % Na 8.04 % Na2O |
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Calcium 10.39 % Ca 14.54 % CaO |
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Zirconium 2.37 % Zr 3.20 % ZrO2 |
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Titanium 7.45 % Ti 12.43 % TiO2 |
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Manganese 10.68 % Mn 13.80 % MnO |
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Niobium 7.23 % Nb 10.34 % Nb2O5 |
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Iron 3.62 % Fe 4.66 % FeO |
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Silicon 14.57 % Si 31.16 % SiO2 |
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Oxygen 35.27 % O |
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Fluorine 2.46 % F 2.46 % F |
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- %
F -1.04 % -O=F2 |
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______ ______ |
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100.00 % 99.59 % = TOTAL OXIDE |
| Empirical Formula: |
NaCaMn2+0.75Fe2+0.25Ti0.6Nb0.3Zr0.1(Si2O7)O1.5F0.5 |
| Environment: |
In miarolitic cavities in nepheline syenite. |
| IMA Status: |
Approved IMA 1997 (Dana # Added) |
| Locality: |
The Prudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Link to MinDat.org Location Data. |
| Name Origin: |
For Mr. Charles Normand (1963-), of Montreal, who discovered the mineral. |
| Name Pronunciation: |
Normandite + Pronunciation  |
| Synonym: |
ICSD 89860 |
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IMA1990-021 |
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PDF 51-1537 |
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