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Tveitite-(Y) Mineral Data
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General Tveitite-(Y) Information
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 Chemical Formula: |
Ca1-xYxF2+x, x~0.3 |
| Composition: |
Molecular Weight = 98.42 gm |
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Calcium 28.50 % Ca 39.88 % CaO |
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Yttrium 27.10 % Y 34.41 % Y2O3 |
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Fluorine 44.40 % F 44.40 % F |
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- %
F -18.69 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca0.7Y0.3F2.3 |
| Environment: |
In pegmatites. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
Hoydalen, Telmark, Norway. Link to MinDat.org Location Data. |
| Name Origin: |
Named for John Peder Tveit (1909-1978), Norwegian miner, who found it in his quarry. |
| Name Pronunciation: |
Tveitite-(Y)  |
| Synonym: |
ICSD 35143 |
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PDF 29-364 |
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