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Wohlerite Mineral Data
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General Wohlerite Information
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 Chemical Formula: |
NaCa2(Zr,Nb)Si2O7(O,OH,F)2 |
| Composition: |
Molecular Weight = 395.27 gm |
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Sodium 5.82 % Na 7.84 % Na2O |
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Calcium 19.26 % Ca 26.96 % CaO |
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Zirconium 11.54 % Zr 15.59 % ZrO2 |
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Niobium 9.40 % Nb 13.45 % Nb2O5 |
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Iron 1.41 % Fe 1.82 % FeO |
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Silicon 14.21 % Si 30.40 % SiO2 |
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Hydrogen 0.26 % H 2.28 % H2O |
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Oxygen 35.22 % O |
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Fluorine 2.88 % F 2.88 % F |
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- %
F -1.21 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na(OH)Ca1.9Fe2+0.1Zr0.5Nb0.4Si2O7.7F0.6 |
| Environment: |
Late phase in alkalic pegmatites, accessory mineral in nepheline syenites, in fenites associated with alkaline intrusives, and in carbonatites. |
| IMA Status: |
Valid Species (Pre-IMA) 1843 |
| Locality: |
Islands in the Langesundsfjord, aroung Brevik, and at Tvedalen, Norway. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Friedrich Wohler (1800-1882), German chemist, Gottingen, Germay. |
| Name Pronunciation: |
Wohlerite + Pronunciation  |
| Synonym: |
Woehlerite |
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