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Tanteuxenite-(Y) Mineral Data
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General Tanteuxenite-(Y) Information
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 Chemical Formula: |
(Y,Ce,Ca)(Ta,Nb,Ti)2(O,OH)6 |
| Composition: |
Molecular Weight = 480.83 gm |
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Calcium 1.67 % Ca 2.33 % CaO |
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Cerium 2.91 % Ce 3.41 % Ce2O3 |
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Yttrium 12.94 % Y 16.44 % Y2O3 |
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Tantalum 52.69 % Ta 64.33 % Ta2O5 |
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Titanium 1.99 % Ti 3.32 % TiO2 |
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Niobium 7.73 % Nb 11.06 % Nb2O5 |
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Hydrogen 0.10 % H 0.94 % H2O |
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Oxygen 19.96 % O |
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______ ______ |
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100.00 % 101.83 % = TOTAL OXIDE |
| Empirical Formula: |
Y0.7Ca0.2Ce0.12(Ta0.7)2(Nb0.2)2(Ti0.1)O5.5(OH)0.5 |
| Environment: |
Tin placers. |
| IMA Status: |
Valid Species (Pre-IMA) 1928 |
| Locality: |
Cooglegong, Pilbara, WA, Australia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the composition (Tantalum) and the Greek for "friendly to strangers, hospitable," in allusion to the rare elements that it contains. |
| Name Pronunciation: |
Tanteuxenite-(Y) + Pronunciation  |
| Synonym: |
Delorenzite |
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