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Manganokhomyakovite Mineral Data
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General Manganokhomyakovite Information
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 Chemical Formula: |
Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 |
| Composition: |
Molecular Weight = 3,346.83 gm |
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Sodium 8.24 % Na 11.11 % Na2O |
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Strontium 7.85 % Sr 9.29 % SrO |
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Calcium 7.18 % Ca 10.05 % CaO |
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Zirconium 8.18 % Zr 11.05 % ZrO2 |
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Manganese 4.92 % Mn 6.36 % MnO |
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Silicon 20.98 % Si 44.88 % SiO2 |
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Hydrogen 0.07 % H 0.61 % H2O |
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Tungsten 5.49 % W 6.93 % WO3 |
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Chlorine 0.53 % Cl 0.53 % Cl |
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- %
Cl -0.12 % -O=Cl2 |
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Oxygen 36.55 % O |
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______ ______ |
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100.00 % 100.68 % = TOTAL OXIDE |
| Empirical Formula: |
Na12Sr3Ca6Mn2+3Zr3WSi25O74.2(OH)2.25Cl0.5 |
| Environment: |
Found in a miarolitic cavity in nepheline syenite. Forms a solid solution with khomyakovite. A member of the Eudialyte group. |
| IMA Status: |
Approved IMA 1998 (Dana # Added) |
| Locality: |
Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Link to MinDat.org Location Data. |
| Name Origin: |
The name reflects the composition and similarity to khomyakovite. |
| Synonym: |
IMA1998-043 |
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