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Tadzhikite-(Y) Mineral Data
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General Tadzhikite-(Y) Information
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 Chemical Formula: |
Ca4(Y,Ce)2(Ti,Al,Fe+++,[ ])2[Si4B4O22](OH)2 |
| Composition: |
Molecular Weight = 990.13 gm |
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Calcium 16.19 % Ca 22.65 % CaO |
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Cerium 7.08 % Ce 8.29 % Ce2O3 |
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Yttrium 13.47 % Y 17.10 % Y2O3 |
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Titanium 5.80 % Ti 9.68 % TiO2 |
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Aluminum 1.64 % Al 3.09 % Al2O3 |
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Iron 1.13 % Fe 1.61 % Fe2O3 |
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Silicon 11.35 % Si 24.27 % SiO2 |
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Boron 4.37 % B 14.06 % B2O3 |
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Hydrogen 0.20 % H 1.82 % H2O |
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Oxygen 38.78 % O |
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______ ______ |
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100.00 % 102.59 % = TOTAL OXIDE |
| Empirical Formula: |
Ca4Y1.5Ce0.5Ti1.2Al0.6Fe3+0.2B4Si4O22(OH)2 |
| Environment: |
In the replacement units of zoned pegmatite dikes. |
| IMA Status: |
Approved IMA 1987 (Dana # Added) |
| Locality: |
In the Dara-i-Pioz massif, Alai Range, Tien Shan, Tajikistan (Tadzhikistan). Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality and its yttrium content. |
| Name Pronunciation: |
Tadzhikite-(Y) + Pronunciation  |
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