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Aphthitalite Mineral Data
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General Aphthitalite Information
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 Chemical Formula: |
(K,Na)3Na(SO4)2 |
| Composition: |
Molecular Weight = 320.33 gm |
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Potassium 27.46 % K 33.08 % K2O |
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Sodium 12.56 % Na 16.93 % Na2O |
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Sulfur 20.02 % S 49.99 % SO3 |
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Oxygen 39.96 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K2.25Na1.75(SO4)2 |
| Environment: |
1. Incrustations in fumaroles of volcanos. 2. Small crystals in marine and continental evaporite deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1813 |
| Locality: |
Douglashall near Strassfurt, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Greek for "unalterable" and "salt" in allusion to its stability in air. |
| Name Pronunciation: |
Aphthitalite + Pronunciation  |
| Synonym: |
Aphthalose |
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Glaserite |
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ICSD 26014 |
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PDF 20-928 |
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Vesuvian Salt |
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