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Ferro-edenite Mineral Data
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General Ferro-edenite Information
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 Chemical Formula: |
NaCa2Fe++5Si7AlO22(OH)2 |
| Composition: |
Molecular Weight = 991.96 gm |
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Sodium 2.32 % Na 3.12 % Na2O |
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Calcium 8.08 % Ca 11.31 % CaO |
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Aluminum 2.72 % Al 5.14 % Al2O3 |
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Iron 28.15 % Fe 36.21 % FeO |
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Silicon 19.82 % Si 42.40 % SiO2 |
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Hydrogen 0.20 % H 1.82 % H2O |
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Oxygen 38.71 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
NaCa2Fe2+5Si7AlO22(OH)2 |
| IMA Status: |
Valid Species (Pre-IMA) 1946 |
| Locality: |
La Tebatiere, PQ, Canada. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the composition and the relationship to edinite. |
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