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Ferripyrophyllite Mineral Data
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General Ferripyrophyllite Information
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 Chemical Formula: |
Fe+++2Si4O10(OH)2 |
| Composition: |
Molecular Weight = 418.04 gm |
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Iron 26.72 % Fe 38.20 % Fe2O3 |
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Silicon 26.87 % Si 57.49 % SiO2 |
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Hydrogen 0.48 % H 4.31 % H2O |
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Oxygen 45.93 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Fe3+2Si4(OH)2O10 |
| Environment: |
Found on a museum specimen from the Strassenschacht hematite deposit. |
| IMA Status: |
Approved IMA 1979 |
| Locality: |
Strassenschacht, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named as the Fe+++ analog of pyrophyllite. |
| Name Pronunciation: |
Ferripyrophyllite + Pronunciation  |
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