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Clinohumite Mineral Data
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General Clinohumite Information
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 Chemical Formula: |
(Mg,Fe++)9(SiO4)4(F,OH)2 |
| Composition: |
Molecular Weight = 695.05 gm |
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Magnesium 23.60 % Mg 39.14 % MgO |
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Iron 18.08 % Fe 23.26 % FeO |
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Silicon 16.16 % Si 34.58 % SiO2 |
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Hydrogen 0.07 % H 0.65 % H2O |
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Oxygen 37.98 % O |
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Fluorine 4.10 % F 4.10 % F |
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- %
F -1.73 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mg6.75Fe2+2.25(SiO4)4F1.5(OH)0.5 |
| Environment: |
Commonly interlayered with humite. |
| IMA Status: |
Valid Species (Pre-IMA) 1876 |
| Locality: |
Mte. Somma, Vesuvius, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
Named after the mineral humite and the monoclinic crystal form. |
| Synonym: |
Titanclinohumite |
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