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Mottanaite-(Ce) Mineral Data
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General Mottanaite-(Ce) Information
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 Chemical Formula: |
Ca4(Ce,Ca)2AlBe2[Si4B4O22]O2 |
| Composition: |
Molecular Weight = 1,007.13 gm |
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Calcium 18.31 % Ca 25.61 % CaO |
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Cerium 20.87 % Ce 24.44 % Ce2O3 |
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Thorium 2.30 % Th 2.62 % ThO2 |
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Titanium 0.48 % Ti 0.79 % TiO2 |
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Beryllium 0.72 % Be 1.99 % BeO |
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Aluminum 1.34 % Al 2.53 % Al2O3 |
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Iron 2.22 % Fe 3.17 % Fe2O3 |
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Silicon 11.15 % Si 23.86 % SiO2 |
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Boron 4.29 % B 13.83 % B2O3 |
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Hydrogen 0.05 % H 0.45 % H2O |
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Oxygen 37.33 % O |
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Fluorine 0.94 % F 0.94 % F |
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- %
F -0.40 % -O=F2 |
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______ ______ |
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100.00 % 99.84 % = TOTAL OXIDE |
| Empirical Formula: |
Ca4Ce1.5Th0.1Ca0.6Al0.5Fe3+0.4Ti0.1Be0.8(Si4B4O22)O(OH)0.5F0.5 |
| Environment: |
Miarolitic cavities in alkali-syenitic ejecta enclosed in pyroclastic formations of the Roma Comagmatic Province. (hellandite group; structure) |
| IMA Status: |
Approved IMA 2001 (Dana # Added) |
| Locality: |
Sabatini volcanic complex, Latium, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Annibale Mottana, Professor of Mineralogy at the University of Roma Tre (Italy). |
| Synonym: |
IMA2001-020 |
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