Mineralogy Database

Villyaellenite Mineral Data

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General Villyaellenite Information

Help on Chemical  Formula: Chemical Formula: Mn++5(AsO3OH)2(AsO4)2•4(H2O)
Help on Composition: Composition: Molecular Weight = 904.44 gm
   Manganese  30.37 %  Mn   39.22 % MnO
   Arsenic    33.13 %  As   50.82 % As2O5
   Hydrogen    1.11 %  H     9.96 % H2O
   Oxygen     35.38 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+5(AsO3OH)2(AsO4)2•4(H2O)
Help on Environment: Environment: Forms a series with sainfeldite.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Ste.-Marie-aux-Mines, Vosges Mountains, Alsace, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Villy Aellen, director of the Natural History Museum of Geneva, Switzerland.
Help on Name Pronunciation: Name Pronunciation: Villyaellenite + Pronunciation Say VILLYAELLENITE
Help on Synonym: Synonym: ICSD 202708
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