Mineralogy Database

Coconinoite Mineral Data

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General Coconinoite Information

Help on Chemical Formula: Chemical Formula: Fe+++2Al2(UO2)2(PO4)4(SO4)(OH)2•18(H2O)
Help on Composition: Composition: Molecular Weight = 1,539.95 gm
   Uranium     30.91 %  U    35.07 % UO2
   Aluminum     3.50 %  Al    6.62 % Al2O3
   Iron         7.25 %  Fe   10.37 % Fe2O3
   Phosphorus   8.05 %  P    18.43 % P2O5
   Hydrogen     2.49 %  H    22.23 % H2O
   Sulfur       2.08 %  S     5.20 % SO3
   Oxygen      45.71 %  O
              ______        ______ 
              100.00 %       97.92 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+2Al2(UO2)2(PO4)4(SO4)(OH)2•18(H2O)
Help on IMA Status: IMA Status: Approved IMA 1966
Help on Locality: Locality: Sun Valley mine, Coconino County, Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its locality.