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Hibonite Mineral Data
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General Hibonite Information
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 Chemical Formula: |
(Ca,Ce)(Al,Ti,Mg)12O19 |
| Composition: |
Molecular Weight = 708.81 gm |
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Calcium 4.52 % Ca 6.33 % CaO |
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Lanthanum 1.96 % La 2.30 % La2O3 |
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Cerium 1.98 % Ce 2.32 % Ce2O3 |
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Magnesium 0.17 % Mg 0.28 % MgO |
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Titanium 3.38 % Ti 5.63 % TiO2 |
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Aluminum 39.59 % Al 74.80 % Al2O3 |
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Iron 5.52 % Fe 7.10 % FeO |
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Oxygen 42.89 % O |
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______ ______ |
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100.00 % 98.76 % = TOTAL OXIDE |
| Empirical Formula: |
Ca0.8Ce0.1La0.1Al10.4Ti0.5Fe2+0.7Mg0.05O19 |
| Environment: |
In metamorphosed limestone, pyroxenite, gneiss, and granulate of the amphibolite to granulite facies. |
| IMA Status: |
Valid Species (Pre-IMA) 1956 |
| Locality: |
Esiva, near Taolanaro (Fort Dauphin), and near Ambindandrakemba, Madagascar. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Paul Hibon, who discovered the mineral. |
| Name Pronunciation: |
Hibonite  |
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