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Alum-(Na) Mineral Data
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General Alum-(Na) Information
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 Chemical Formula: |
NaAl(SO4)2•12(H2O) |
| Composition: |
Molecular Weight = 458.28 gm |
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Sodium 5.02 % Na 6.76 % Na2O |
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Aluminum 5.89 % Al 11.12 % Al2O3 |
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Hydrogen 5.28 % H 47.17 % H2O |
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Sulfur 13.99 % S 34.94 % SO3 |
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Oxygen 69.82 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
NaAl(SO4)2•12(H2O) |
| IMA Status: |
Valid Species (Pre-IMA) |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named for the composition. |
| Synonym: |
Sodium alum - Renamed to Alum-(Na) by Mineralogical Record, v39 (2008), p131 |
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Sodium-alum |
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