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Yoderite Mineral Data
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General Yoderite Information
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 Chemical Formula: |
Mg2(Al,Fe+++)6Si4O18(OH)2 |
| Composition: |
Molecular Weight = 656.30 gm |
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Magnesium 7.41 % Mg 12.28 % MgO |
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Manganese 0.84 % Mn 1.20 % Mn2O3 |
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Aluminum 23.02 % Al 43.50 % Al2O3 |
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Iron 2.55 % Fe 3.65 % Fe2O3 |
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Silicon 17.12 % Si 36.62 % SiO2 |
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Hydrogen 0.31 % H 2.74 % H2O |
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Oxygen 48.76 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mg2Al5.6Fe3+0.3Mn3+0.1Si4O18(OH)2 |
| Environment: |
A major phase in quartz-kyanite-talc schist formed under conditions of ~10 kbar H2O pressure and 800 deg C. |
| IMA Status: |
Approved IMA 1959 |
| Locality: |
On Mautia Hill, Kongwa, Central Province, Tanzania. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Hatten Schyuler Yoder, Jr. (1921-), petrologist with the Geophysical Laboratory, Washinton, D. C. USA. |
| Name Pronunciation: |
Yoderite  |
| Synonym: |
ICSD 40123 |
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PDF 12-625 |
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