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Mercallite Mineral Data
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General Mercallite Information
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 Chemical Formula: |
KHSO4 |
| Composition: |
Molecular Weight = 136.17 gm |
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Potassium 28.71 % K 34.59 % K2O |
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Hydrogen 0.74 % H 6.62 % H2O |
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Sulfur 23.55 % S 58.80 % SO3 |
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Oxygen 47.00 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
KH(SO4) |
| Environment: |
Found as stalactites composed of minute tabular crystals in fumaroles. |
| IMA Status: |
Valid Species (Pre-IMA) 1935 |
| Locality: |
Crater of the volcano, Vesuvius, Italy Link to MinDat.org Location Data. |
| Name Origin: |
Named for Giuseppe Mercalli (1850-1914), Italian Geologist, director of the Vesuvius Observatory. |
| Name Pronunciation: |
Mercallite + Pronunciation  |
| Synonym: |
ICSD 346 |
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PDF 11-649 |
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