Mineralogy Database

Cervandonite-(Ce) Mineral Data

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General Cervandonite-(Ce) Information

Help on Chemical Formula: Chemical Formula: (Ce,Nd,La)(Fe+++,Fe++,Ti++++,Al)3(SiO7)1-x+y(AsO3)1+x-y(OH)3x-3y
Help on Composition: Composition: Molecular Weight = 634.48 gm
   Lanthanum   4.38 %  La    5.14 % La2O3
   Cerium      8.83 %  Ce   10.35 % Ce2O3
   Yttrium     1.40 %  Y     1.78 % Y2O3
   Thorium     3.66 %  Th    4.16 % ThO2
   Titanium    6.79 %  Ti   11.33 % TiO2
   Aluminum    2.13 %  Al    4.02 % Al2O3
   Iron       14.08 %  Fe   13.59 % FeO /  5.03 % Fe2O3
   Silicon     8.41 %  Si   17.99 % SiO2
   Arsenic    12.99 %  As   17.15 % As2O3
   Neodymium   4.55 %  Nd    5.30 % Nd2O3
   Oxygen     32.78 %  O
             ______        ______ 
             100.00 %       95.84 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ce0.4Nd0.2La0.2Y0.1Th0.1Fe2+1.2Ti0.9Al0.5Fe3+0.4Si1.9As1.1O13
Help on Environment: Environment: Fissure veins in gneiss.
Help on IMA Status: IMA Status: Approved IMA 1988
Help on Locality: Locality: Pizzo Cervandone, Alpe Devero, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.