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Tilasite Mineral Data
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General Tilasite Information
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 Chemical Formula: |
CaMg(AsO4)F |
| Composition: |
Molecular Weight = 222.30 gm |
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Calcium 18.03 % Ca 25.23 % CaO |
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Magnesium 10.93 % Mg 18.13 % MgO |
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Arsenic 33.70 % As 51.70 % As2O5 |
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Oxygen 28.79 % O |
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Fluorine 8.55 % F 8.55 % F |
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- %
F -3.60 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
CaMg(AsO4)F |
| IMA Status: |
Valid Species (Pre-IMA) 1895 |
| Locality: |
Langan, Varmland, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Daniel Tilas (1712-1772), Swedish mining engineer. |
| Name Pronunciation: |
Tilasite  |
| Synonym: |
ICSD 75618 |
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PDF 2-485 |
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