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Wermlandite Mineral Data
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General Wermlandite Information
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 Chemical Formula: |
(Ca,Mg)Mg7(Al,Fe+++)2(SO4)2(OH)18•12(H2O) |
| Composition: |
Molecular Weight = 989.11 gm |
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Calcium 3.04 % Ca 4.25 % CaO |
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Magnesium 17.82 % Mg 29.54 % MgO |
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Aluminum 4.09 % Al 7.73 % Al2O3 |
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Iron 2.82 % Fe 4.04 % Fe2O3 |
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Hydrogen 4.28 % H 38.25 % H2O |
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Sulfur 6.48 % S 16.19 % SO3 |
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Oxygen 61.47 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca0.75Mg7.25Al1.5Fe3+0.5(SO4)2(OH)18•12(H2O) |
| Environment: |
Associated with calcite and magnetite. |
| IMA Status: |
Approved IMA 1971 |
| Locality: |
L�ngban mine, Bergslagen ore district, Filipstad, V�rmland (Wermland), Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named after the locality. |
| Name Pronunciation: |
Wermlandite + Pronunciation  |
| Synonym: |
ICSD 30887 |
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PDF 25-153 |
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