Mineralogy Database

Francoisite-(Ce) Mineral Data

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General Francoisite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: (Ce,Nd,Ca)[(UO2)3O(OH)(PO4)2]•6(H2O)
Help on Composition: Composition: Molecular Weight = 1,272.47 gm
   Calcium      0.31 %  Ca    0.44 % CaO
   Cerium       6.61 %  Ce    7.74 % Ce2O3
   Uranium     56.12 %  U    63.66 % UO2
   Phosphorus   4.87 %  P    11.16 % P2O5
   Hydrogen     1.03 %  H     9.20 % H2O
   Neodymium    3.40 %  Nd    3.97 % Nd2O3
   Oxygen      27.66 %  O
              ______        ______ 
              100.00 %       96.17 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ce0.6Nd0.3Ca0.1(UO2)3OOH(PO4)2•6(H2O)
Help on Environment: Environment: Related to phosphuranyllite group
Help on IMA Status: IMA Status: Proposed IMA 2004 (Dana # Added)
Help on Locality: Locality: La Creusaz, Valais, Switzerland, and Radium Ridge, South Australia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Name Pronunciation: Name Pronunciation: Francoisite-(Ce) + Pronunciation Say FRANCOISITE-(CE)
Help on Synonym: Synonym: IMA2004-029