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Humite Mineral Data
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General Humite Information
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 Chemical Formula: |
(Mg,Fe++)7(SiO4)3(F,OH)2 |
| Composition: |
Molecular Weight = 538.58 gm |
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Magnesium 23.69 % Mg 39.29 % MgO |
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Iron 18.15 % Fe 23.34 % FeO |
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Silicon 15.64 % Si 33.47 % SiO2 |
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Hydrogen 0.09 % H 0.84 % H2O |
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Oxygen 37.13 % O |
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Fluorine 5.29 % F 5.29 % F |
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- %
F -2.23 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mg5.25Fe2+1.75(SiO4)3F1.5(OH)0.5 |
| Environment: |
Commonly interlayered with clinohumite. |
| IMA Status: |
Valid Species (Pre-IMA) 1813 |
| Locality: |
Mte. Somma, Vesuvius, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Abraham Hume (1749-1838), English connoisseur and collector of works of art, precious stones and minerals. |
| Name Pronunciation: |
Humite  |
| Synonym: |
ICSD 34847 |
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PDF 12-755 |
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