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Alumino-magnesiotaramite Mineral Data
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General Alumino-magnesiotaramite Information
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 Chemical Formula: |
Na(CaNa)(Mg3Al2)(Si6Al2)O22(OH)2 |
| Composition: |
Molecular Weight = 870.46 gm |
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Sodium 4.75 % Na 6.41 % Na2O |
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Calcium 5.57 % Ca 7.80 % CaO |
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Magnesium 6.70 % Mg 11.11 % MgO |
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Titanium 0.17 % Ti 0.28 % TiO2 |
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Aluminum 9.64 % Al 18.21 % Al2O3 |
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Iron 9.17 % Fe 9.24 % FeO / 2.84 % Fe2O3 |
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Silicon 19.65 % Si 42.04 % SiO2 |
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Hydrogen 0.23 % H 2.07 % H2O |
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Oxygen 44.11 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na1.07Fe2+0.06Na0.73Ca1.21Fe2+1.06Mg2.4Al1.2Fe3+0.31Ti0.03Si6.09Al1.91O22(OH)2 |
| Environment: |
Occurs in the Liset kyanite-eclogite pod, a retrogressed eclogite. Very high pressure metamorphic rocks. Amphibole group |
| IMA Status: |
Approved IMA 2006 (Dana # Added) |
| Locality: |
Liset, near Selje, M�re og Romsdal County, Vestlandet, Norway Link to MinDat.org Location Data. |
| Name Origin: |
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). |
| Synonym: |
IMA2006-024 |
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