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Calciobetafite Mineral Data
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General Calciobetafite Information
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 Chemical Formula: |
Ca2(Ti,Nb)2(O,OH)7 |
| Composition: |
Molecular Weight = 394.30 gm |
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Calcium 15.25 % Ca 21.33 % CaO |
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La,Ce,Pr,Nd,Sm, 7.30 % RE 8.52 % REE2O3 |
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Thorium 5.88 % Th 6.70 % ThO2 |
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Uranium 6.04 % U 6.85 % UO2 |
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Titanium 9.71 % Ti 16.21 % TiO2 |
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Niobium 28.27 % Nb 40.45 % Nb2O5 |
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Iron 1.42 % Fe 1.82 % FeO |
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Hydrogen 0.08 % H 0.69 % H2O |
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Oxygen 25.56 % O |
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Fluorine 0.48 % F 0.48 % F |
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- %
F -0.20 % -O=F2 |
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______ ______ |
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100.00 % 102.84 % = TOTAL OXIDE |
| Empirical Formula: |
Ca1.5REE0.2Th0.1U0.1Nb1.2Ti0.8Fe2+0.1O6(OH)0.3F0.1 |
| Environment: |
In a subvolcanic rock, locally termed "sanidinite", present in a phreatomagmatic explosion breccia. |
| IMA Status: |
Approved IMA 1983 |
| Locality: |
From Monte di Procida, Campi Flegrei, near Naples, Campania, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
For the mineral with the betafite structure and the CALCIum content. |
| Name Pronunciation: |
Calciobetafite + Pronunciation  |
| Synonym: |
ICSD 31196 |
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PDF 42-2 |
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