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Magnesionigerite-6N6S Mineral Data
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General Magnesionigerite-6N6S Information
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 Chemical Formula: |
(Mg,Zn,Fe+++,Al)4(Sn,Fe+++)2Al10O22(OH)2 |
| Composition: |
Molecular Weight = 964.03 gm |
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Magnesium 4.79 % Mg 7.94 % MgO |
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Aluminum 29.95 % Al 56.58 % Al2O3 |
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Zinc 4.07 % Zn 5.07 % ZnO |
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Iron 5.79 % Fe 1.49 % FeO / 6.63 % Fe2O3 |
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Silicon 0.58 % Si 1.25 % SiO2 |
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Tin 14.78 % Sn 18.76 % SnO2 |
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Hydrogen 0.21 % H 1.87 % H2O |
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Oxygen 39.83 % O |
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______ ______ |
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100.00 % 99.59 % = TOTAL OXIDE |
| Empirical Formula: |
Mg1.9Zn0.6AlSi0.2Fe2+0.2Sn1.2Fe3+0.8Al9.7O22(OH)2 |
| Environment: |
The Mg-analog of nigerite. High temperature metasomatic tungsten ore. Fomerly named Pengzhizhongite-24R for Peng Zhizhong, late Chinese mineralogist. |
| IMA Status: |
Approved IMA 2002 (Dana # Added) |
| Locality: |
Anhua area, Hunan, China. Link to MinDat.org Location Data. |
| Name Origin: |
Named as the MAGNESIum analog of Ferronigerite. (S=Spinel, N=Nolanite Layers). |
| Synonym: |
IMA2001-A |
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Pengzhizhongite-24R |
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