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Hydroxylclinohumite Mineral Data
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General Hydroxylclinohumite Information
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 Chemical Formula: |
Mg9(SiO4)4(OH,F)2 |
| Composition: |
Molecular Weight = 621.49 gm |
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Magnesium 35.20 % Mg 58.37 % MgO |
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Silicon 18.08 % Si 38.67 % SiO2 |
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Hydrogen 0.29 % H 2.61 % H2O |
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Oxygen 45.82 % O |
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Fluorine 0.61 % F 0.61 % F |
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- %
F -0.26 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mg9(SiO4)4(OH)1.8F0.2 |
| Environment: |
Occurs in Mg-skarn (chaliphyric) rims around dolomitic marble xenoliths in gabbroic rocks and associated Fe-Ti ores. A member of the humite group |
| IMA Status: |
Approved IMA 1998 (Dana # Added) |
| Locality: |
Zelentsovskaya mine on the southern slopes of the western Urals, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its composition and the mineral clinohumite. |
| Name Pronunciation: |
Hydroxylclinohumite + Pronunciation  |
| Synonym: |
IMA1998-065 |
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