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Kobeite-(Y) Mineral Data
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General Kobeite-(Y) Information
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 Chemical Formula: |
(Y,U)(Ti,Nb)2(O,OH)6 (?) |
| Composition: |
Molecular Weight = 319.10 gm |
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Yttrium 25.08 % Y 31.84 % Y2O3 |
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Uranium 7.46 % U 8.46 % UO2 |
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Titanium 22.51 % Ti 37.55 % TiO2 |
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Niobium 14.56 % Nb 20.83 % Nb2O5 |
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Hydrogen 0.32 % H 2.82 % H2O |
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Oxygen 30.08 % O |
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______ ______ |
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100.00 % 101.50 % = TOTAL OXIDE |
| Empirical Formula: |
Y0.9U0.1Ti1.5Nb0.5O5(OH) |
| Environment: |
In granite pegmatites. |
| IMA Status: |
Valid Species (Pre-IMA) 1950 |
| Locality: |
Kobe-Mura [presently Oyama-cho], Japan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Kobeite-(Y)  |
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