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Lavenite Mineral Data
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General Lavenite Information
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 Chemical Formula: |
(Na,Ca)2(Mn,Fe++)(Zr,Ti,Nb)Si2O7(O,OH,F) |
| Composition: |
Molecular Weight = 374.22 gm |
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Sodium 9.83 % Na 13.25 % Na2O |
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Calcium 6.43 % Ca 8.99 % CaO |
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Zirconium 21.94 % Zr 29.64 % ZrO2 |
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Titanium 2.56 % Ti 4.27 % TiO2 |
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Manganese 4.40 % Mn 5.69 % MnO |
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Niobium 2.48 % Nb 3.55 % Nb2O5 |
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Iron 2.98 % Fe 3.84 % FeO |
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Silicon 15.01 % Si 32.11 % SiO2 |
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Hydrogen 0.08 % H 0.72 % H2O |
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Oxygen 33.78 % O |
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Fluorine 0.51 % F 0.51 % F |
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- %
F -0.21 % -O=F2 |
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______ ______ |
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100.00 % 102.35 % = TOTAL OXIDE |
| Empirical Formula: |
Na1.6Ca0.4Mn2+0.3Ca0.2Fe2+0.2Zr0.9Ti0.2Nb0.1(Si2O7)O0.6(OH)0.3F0.1 |
| Environment: |
In alkalic rocks and related pegmatites. |
| IMA Status: |
Valid Species (Pre-IMA) 1885 |
| Locality: |
In Norway, on Laven and the Aro Islands. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Lavenite  |
| Synonym: |
ICSD 100722 |
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PDF 14-606 |
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