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Yttrialite-(Y) Mineral Data
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General Yttrialite-(Y) Information
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 Chemical Formula: |
(Y,Th)2Si2O7 |
| Composition: |
Molecular Weight = 417.54 gm |
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Yttrium 31.94 % Y 40.56 % Y2O3 |
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Thorium 27.79 % Th 31.62 % ThO2 |
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Silicon 13.45 % Si 28.78 % SiO2 |
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Oxygen 26.82 % O |
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______ ______ |
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100.00 % 100.96 % = TOTAL OXIDE |
| Empirical Formula: |
Y1.5Th0.5Si2O7 |
| Environment: |
A late-stage mineral in some rare-earth-bearing pegmatites. Associated with gadolinite. |
| IMA Status: |
Valid Species (Pre-IMA) 1889 |
| Locality: |
Baringer Hill pegmatite, 26 km west of Burnet, and from Rode Ranch, near Blu�ton, Llano County, Texas, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the yttrium in its composition. |
| Name Pronunciation: |
Yttrialite-(Y) + Pronunciation  |
| Synonym: |
ICSD 28004 |
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PDF 24-1427 |
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