Mineralogy Database

Mansfieldite Mineral Data

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General Mansfieldite Information

Help on Chemical  Formula: Chemical Formula: AlAsO4•2(H2O)
Help on Composition: Composition: Molecular Weight = 201.93 gm
   Aluminum  13.36 %  Al   25.25 % Al2O3
   Arsenic   37.10 %  As   56.91 % As2O5
   Hydrogen   2.00 %  H    17.84 % H2O
   Oxygen    47.54 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al(AsO4)•2(H2O)
Help on Environment: Environment: Forms a series with scorodite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1948
Help on Locality: Locality: Hovart Butte, Lane County, Oregon, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for George Rogers Mansfield (1875-1947), geologist, U. S. Geological Survey.
Help on Name Pronunciation: Name Pronunciation: Mansfieldite + Pronunciation Say MANSFIELDITE