Mineralogy Database

Jarosewichite Mineral Data

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General Jarosewichite Information

Help on Chemical  Formula: Chemical Formula: Mn++3Mn+++(AsO4)(OH)6
Help on Composition: Composition: Molecular Weight = 460.72 gm
   Manganese  47.70 %  Mn   46.19 % MnO / 17.13 % Mn2O3
   Arsenic    16.26 %  As   24.94 % As2O5
   Hydrogen    1.31 %  H    11.73 % H2O
   Oxygen     34.73 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+3Mn3+(AsO4)(OH)6
Help on Environment: Environment: Metamorphosed Zn-Mn deposit.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Franklin, Sussex County, New Jersey, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Eugene Jaroswich (1926-), chief chemist, Department of Mineral Sciences, National Museum of Natural History, Smithsonian Institution.
Help on Name Pronunciation: Name Pronunciation: Jarosewichite + Pronunciation Say JAROSEWICHITE