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Ferrocarpholite Mineral Data
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General Ferrocarpholite Information
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 Chemical Formula: |
(Fe++,Mg)Al2Si2O6(OH)4 |
| Composition: |
Molecular Weight = 324.65 gm |
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Magnesium 1.50 % Mg 2.48 % MgO |
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Titanium 0.15 % Ti 0.25 % TiO2 |
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Manganese 0.17 % Mn 0.22 % MnO |
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Aluminum 15.54 % Al 29.37 % Al2O3 |
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Iron 15.31 % Fe 17.93 % FeO / 1.97 % Fe2O3 |
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Silicon 17.56 % Si 37.57 % SiO2 |
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Hydrogen 1.13 % H 10.10 % H2O |
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Oxygen 48.64 % O |
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______ ______ |
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100.00 % 99.88 % = TOTAL OXIDE |
| Empirical Formula: |
Fe2+0.81Mg0.2Mn2+0.01Al1.87Fe3+0.08Ti0.01Si2.03O9.87H3.64 |
| Environment: |
In quartz veins in blueschists of low metamorphic grade, formed from felsic tuffs at about 250 �C and 3 kbar. |
| IMA Status: |
Valid Species (Pre-IMA) 1951 |
| Locality: |
At several localities west of Tomata, Celebes, Indonesia. Link to MinDat.org Location Data. |
| Name Origin: |
Named as the Fe-dominant member of the carpholite series. |
| Name Pronunciation: |
Ferrocarpholite + Pronunciation  |
| Synonym: |
ICSD 34519 |
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PDF 33-655 |
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