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Ilvaite Mineral Data
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General Ilvaite Information
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 Chemical Formula: |
CaFe++2Fe+++Si2O7O(OH) |
| Composition: |
Molecular Weight = 408.79 gm |
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Calcium 9.80 % Ca 13.72 % CaO |
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Iron 40.98 % Fe 52.73 % FeO |
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Silicon 13.74 % Si 29.40 % SiO2 |
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Hydrogen 0.25 % H 2.20 % H2O |
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Oxygen 35.22 % O |
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______ ______ |
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100.00 % 98.04 % = TOTAL OXIDE |
| Empirical Formula: |
CaFe2+3(SiO4)2(OH) |
| Environment: |
Occurs with magnetite ore bodies, with zinc and copper ores, and in contact deposits and zeolites. |
| IMA Status: |
Valid Species (Pre-IMA) 1811 |
| Locality: |
Capo Calamita, on Elba. Link to MinDat.org Location Data. |
| Name Origin: |
Named ilvaite from the Latin name of the island of Elba. |
| Name Pronunciation: |
Ilvaite  |
| Synonym: |
Breislakite - fiberous |
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Lievrite |
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Yenite |
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