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Manganonaujakasite Mineral Data
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General Manganonaujakasite Information
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Chemical Formula: |
Na6(Mn,Fe++ )Al4Si8O26 |
Composition: |
Molecular Weight = 943.02 gm |
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Sodium 14.63 % Na 19.72 % Na2O |
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Manganese 3.09 % Mn 3.99 % MnO |
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Aluminum 11.44 % Al 21.62 % Al2O3 |
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Iron 2.90 % Fe 3.73 % FeO |
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Silicon 23.83 % Si 50.97 % SiO2 |
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Oxygen 44.11 % O |
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______ ______ |
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100.00 % 100.03 % = TOTAL OXIDE |
Empirical Formula: |
Na6Mn2+0.53Fe2+0.49Al4Si8O26 |
Environment: |
Irregular grains and phenocrysts in a lovozerite-lomonosovite nepheline syenite. |
IMA Status: |
Approved IMA 1999 (Dana # Added) |
Locality: |
Lovozero alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named as the manganese analog of naujakasite. |
Synonym: |
IMA1999-031 |
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