Mineralogy Database

Allendeite Mineral Data

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General Allendeite Information

Help on Chemical  Formula: Chemical Formula: Sc4Zr3O12
Help on Composition: Composition: Molecular Weight = 648.47 gm
   Calcium     1.92 %  Ca    2.68 % CaO
   Yttrium     0.55 %  Y     0.70 % Y2O3
   Hafnium     1.10 %  Hf    1.30 % HfO2
   Zirconium  41.50 %  Zr   56.06 % ZrO2
   Scandium   20.87 %  Sc   32.01 % Sc2O3
   Titanium    3.25 %  Ti    5.42 % TiO2
   Aluminum    0.37 %  Al    0.71 % Al2O3
   Vanadium    0.24 %  V     0.35 % V2O3
   Iron        0.60 %  Fe    0.78 % FeO
   Oxygen     29.61 %  O
             ______        ______ 
             100.00 %       99.99 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Sc3.01Ti0.44Ca0.31Al0.09Fe2+0.07Y0.04V3+0.03Zr2.95Hf0.04O12
Help on Environment: Environment: The mineral occurs in a partially altered refractory inclusion in section USNM 7554. Probable pre-solar refractory mineral. New structure type.
Help on IMA Status: IMA Status: Approved IMA 2007 (Dana # Added)
Help on Locality: Locality: Allende meteorite, Pueblito de Allende, Chihuahua, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2007-027