Mineralogy Database

Mercallite Mineral Data

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General Mercallite Information

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