Mineralogy Database

Maxwellite Mineral Data

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General Maxwellite Information

Help on Chemical  Formula: Chemical Formula: NaFe+++(AsO4)F
Help on Composition: Composition: Molecular Weight = 236.75 gm
   Sodium     9.71 %  Na   13.09 % Na2O
   Iron      23.59 %  Fe   33.73 % Fe2O3
   Arsenic   31.65 %  As   48.54 % As2O5
   Oxygen    27.03 %  O
   Fluorine   8.02 %  F     8.02 % F
               -   %   F    -3.38 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaFe3+(AsO4)F
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: Black Range tin district, Carton County, New Mexico, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Charles Henry Maxwell (1923-), U. S. Geological Survey.
Help on Name Pronunciation: Name Pronunciation: Maxwellite + Pronunciation Say MAXWELLITE
Help on Synonym: Synonym: ICSD 81122
  IMA1987-044
  PDF 46-1386