Mineralogy Database

Allanite-(Ce) Mineral Data

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General Allanite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: (Ce,Ca,Y)2(Al,Fe+++)3(SiO4)3(OH)
Help on Composition: Composition: Molecular Weight = 614.71 gm
   Calcium    3.91 %  Ca    5.47 % CaO
   Cerium    27.35 %  Ce   32.04 % Ce2O3
   Yttrium    4.34 %  Y     5.51 % Y2O3
   Aluminum   9.88 %  Al   18.66 % Al2O3
   Iron       6.81 %  Fe    9.74 % Fe2O3
   Silicon   13.71 %  Si   29.32 % SiO2
   Hydrogen   0.16 %  H     1.47 % H2O
   Oxygen    33.84 %  O
            ______        ______ 
            100.00 %      102.21 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ce1.2Ca0.6Y0.3Al2.25Fe3+0.75(SiO4)3(OH)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1810 - Dana Number Modified from 58.2.1a.1
Help on Locality: Locality: Greenland, Qaqarssuatsiaq Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the Scottish mineralogist, T. Allan (1777-1833).
Help on Name Pronunciation: Name Pronunciation: Allanite-(Ce) Say ALLANITE-(CE)
Help on Synonym: Synonym: ICSD 15190
  Orthite
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