Mineralogy Database

Ferriallanite-(Ce) Mineral Data

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General Ferriallanite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH)
Help on Composition: Composition: Molecular Weight = 613.85 gm
   Calcium     7.05 %  Ca    9.87 % CaO
   Cerium     21.00 %  Ce   24.60 % Ce2O3
   Titanium    1.09 %  Ti    1.82 % TiO2
   Manganese   0.63 %  Mn    0.81 % MnO
   Aluminum    2.99 %  Al    5.65 % Al2O3
   Iron       19.74 %  Fe   10.89 % FeO / 16.13 % Fe2O3
   Silicon    13.45 %  Si   28.78 % SiO2
   Hydrogen    0.16 %  H     1.47 % H2O
   Oxygen     33.88 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.97Ce0.03Ce0.89Ca0.11Fe3+0.8Ti0.14Al0.06Al0.56Fe3+0.44Fe2+0.93Mn2+0.07Si0.94 Al0.06O4(Si2O7)O(OH)
Help on Environment: Environment: In an alkaline granitic pegmatite.
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Mount Ylyn Khuren, Altia Range, Mongolian People's Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Fe3+ analogue of allanite-(Ce)
Help on Synonym: Synonym: Cerine
  IMA2000-041