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Homilite Mineral Data
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General Homilite Information
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 Chemical Formula: |
Ca2(Fe++,Mg)B2Si2O10 |
| Composition: |
Molecular Weight = 365.90 gm |
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Calcium 21.91 % Ca 30.65 % CaO |
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Magnesium 1.66 % Mg 2.75 % MgO |
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Iron 11.45 % Fe 14.73 % FeO |
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Silicon 15.35 % Si 32.84 % SiO2 |
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Boron 5.91 % B 19.03 % B2O3 |
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Oxygen 43.73 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2Fe2+0.75Mg0.25B2Si2O10 |
| Environment: |
In pegmatite. |
| IMA Status: |
Valid Species (Pre-IMA) 1896 |
| Locality: |
Stoko island, Langesundfiord, southern Norway. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Greek for "to occur together", in allusion to its association with meliphanite and "erdmannite" (allanite). |
| Name Pronunciation: |
Homilite  |
| Synonym: |
ICSD 47157 |
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PDF 36-430 |
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