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Ciprianiite Mineral Data
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General Ciprianiite Information
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 Chemical Formula: |
Ca4[(Th,U)(REE)]2(Al,[ ])2[Si4B4O22](OH,F)2 |
| Composition: |
Molecular Weight = 1,032.51 gm |
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Lithium 0.03 % Li 0.06 % Li2O |
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Calcium 17.86 % Ca 24.98 % CaO |
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La,Ce,Pr,Nd,Sm, 10.18 % RE 11.88 % REE2O3 |
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Thorium 14.16 % Th 16.11 % ThO2 |
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Magnesium 0.12 % Mg 0.20 % MgO |
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Uranium 0.69 % U 0.78 % UO2 |
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Titanium 0.46 % Ti 0.77 % TiO2 |
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Beryllium 0.72 % Be 1.99 % BeO |
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Aluminum 1.25 % Al 2.37 % Al2O3 |
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Iron 2.06 % Fe 2.94 % Fe2O3 |
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Silicon 10.91 % Si 23.34 % SiO2 |
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Boron 4.19 % B 13.49 % B2O3 |
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Hydrogen 0.05 % H 0.47 % H2O |
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Oxygen 36.43 % O |
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Fluorine 0.90 % F 0.90 % F |
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- %
F -0.38 % -O=F2 |
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______ ______ |
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100.00 % 99.89 % = TOTAL OXIDE |
| Empirical Formula: |
Ca4REE0.73Th0.63Ca0.6U0.03Al0.48Fe3+0.38Ti0.1Mg0.05Be0.82Li0.04B4Si4.01O22O0.97
(OH)0.54F0.49 |
| Environment: |
Alkali-syenitic ejecta enclosed in pyroclastic formations of the Roma Comagmatic Province. (hellandite group; structure) |
| IMA Status: |
Approved IMA 2001 (Dana # Added) |
| Locality: |
Vico volcanic complex, Latium, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Curzio Cipriani, Professor of Mineralogy and Head of the Museum of Natural History, Universita di Firenze, Italy. |
| Synonym: |
IMA2001-021 |
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