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Latrappite Mineral Data
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General Latrappite Information
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 Chemical Formula: |
(Ca,Na)(Nb,Ti,Fe)O3 |
| Composition: |
Molecular Weight = 154.29 gm |
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Sodium 2.98 % Na 4.02 % Na2O |
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Calcium 20.78 % Ca 29.08 % CaO |
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Magnesium 1.58 % Mg 2.61 % MgO |
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Titanium 6.21 % Ti 10.35 % TiO2 |
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Niobium 30.11 % Nb 43.07 % Nb2O5 |
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Iron 7.24 % Fe 9.31 % FeO |
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Oxygen 31.11 % O |
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______ ______ |
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100.00 % 98.44 % = TOTAL OXIDE |
| Empirical Formula: |
Ca0.8Na0.2Nb0.5Ti0.2Fe2+0.2Mg0.1O3 |
| Environment: |
Carbonitite rocks. The crystal structure of latrappite, determined by Rietveld analysis, is similar to that of CaTiO3 perovskite. |
| IMA Status: |
Approved IMA 1964 |
| Locality: |
St Lawrence Columbium and Metals Corporation mine, near La Trappe, Quebec, Canada. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Latrappite + Pronunciation  |
| Synonym: |
ICSD 85569 |
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IMA1964-019 |
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PDF 16-694 |
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