Mineralogy Database

Uedaite-(Ce) Mineral Data

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General Uedaite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: Mn++CeAl2Fe++(Si2O7)(SiO4)O(OH)
Help on Composition: Composition: Molecular Weight = 584.87 gm
   Calcium         1.78 %  Ca    2.49 % CaO
   Lanthanum       2.61 %  La    3.06 % La2O3
   Cerium          9.34 %  Ce   10.94 % Ce2O3
   Praeseodymium   1.69 %  Pr    1.97 % Pr2O3
   Samarium        1.29 %  Sm    1.49 % Sm2O3
   Gadolinium      0.54 %  Gd    0.62 % Gd2O3
   Yttrium         0.61 %  Y     0.77 % Y2O3
   Thorium         0.40 %  Th    0.45 % ThO2
   Magnesium       0.04 %  Mg    0.07 % MgO
   Manganese       4.79 %  Mn    6.19 % MnO
   Aluminum        8.72 %  Al   16.47 % Al2O3
   Iron           12.80 %  Fe   16.46 % FeO
   Silicon        14.41 %  Si   30.82 % SiO2
   Hydrogen        0.17 %  H     1.54 % H2O
   Neodymium       5.67 %  Nd    6.62 % Nd2O3
   Oxygen         35.15 %  O
                 ______        ______ 
                 100.00 %       99.97 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+0.51Ca0.26Ce0.39Nd0.23La0.11Pr0.07Sm0.05Y0.04Gd0.02Th0.01Al1.89Fe2+1.34Mg0.01 (Si2O7)(SiO4)O0.85(OH)
Help on Environment: Environment: Found in a granite at a quarry. Epidote group
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Marutoku quarry, Shodoshima Island in Seto Inland Sea, Kagawa Prefecture, Japan Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Tateo Ueda (1912-2000), who was the first to solve the crystal structure of allanite.
Help on Synonym: Synonym: IMA2006-022