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Magnesiogedrite Mineral Data
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General Magnesiogedrite Information
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 Chemical Formula: |
(Mg,Fe++)5Al2Si6Al2O22(OH)2 |
| Composition: |
Molecular Weight = 847.05 gm |
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Magnesium 8.61 % Mg 14.27 % MgO |
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Aluminum 12.74 % Al 24.07 % Al2O3 |
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Iron 13.19 % Fe 16.96 % FeO |
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Silicon 19.89 % Si 42.56 % SiO2 |
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Hydrogen 0.24 % H 2.13 % H2O |
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Oxygen 45.33 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mg3Fe2+2Al2(Si6Al2O22)(OH)2 |
| Environment: |
IMA amphibole commission recommends abandoning this species name. |
| IMA Status: |
Discredited IMA 1998 |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named for its composition and the original gederite location at Heas Valley, Gedres, France. |
| Synonym: |
Discredited |
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