Mineralogy Database

Cerotungstite-(Ce) Mineral Data

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General Cerotungstite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: (Ce,REE)W2O6(OH)3
Help on Composition: Composition: Molecular Weight = 655.80 gm
   Cerium           16.02 %  Ce   18.77 % Ce2O3
   La,Ce,Pr,Nd,Sm,   5.49 %  RE    6.40 % REE2O3
   Hydrogen          0.46 %  H     4.12 % H2O
   Tungsten         56.07 %  W    70.71 % WO3
   Oxygen           21.96 %  O
                   ______        ______ 
                   100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ce0.75REE0.25W2O6(OH)3
Help on Environment: Environment: In oxidized tungsten deposits.
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: Kirwa and Nyamulilo mines, Kigezi district, Uganda. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition.