Mineralogy Database

Chevkinite-(Ce) Mineral Data

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General Chevkinite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: (Ce,La,Ca,Th)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22
Help on Composition: Composition: Molecular Weight = 1,205.27 gm
   Calcium     2.66 %  Ca    3.72 % CaO
   Lanthanum  16.13 %  La   18.92 % La2O3
   Cerium     19.76 %  Ce   23.15 % Ce2O3
   Thorium     1.93 %  Th    2.19 % ThO2
   Magnesium   0.40 %  Mg    0.67 % MgO
   Titanium    9.93 %  Ti   16.57 % TiO2
   Iron       10.66 %  Fe   10.73 % FeO /  3.31 % Fe2O3
   Silicon     9.32 %  Si   19.94 % SiO2
   Oxygen     29.20 %  O
             ______        ______ 
             100.00 %       99.20 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ce1.7La1.4Ca0.8Th0.1Fe2+1.8Mg0.2Ti2.5Fe3+0.5Si4O22
Help on Environment: Environment: Secondary mineral in titanium and cerium bearing rocks and as an accessory mineral in some granites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1839
Help on Locality: Locality: Miask in the Ilmen Mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for General Konstatin Vladimirovich Tschevkin [Chevkin] (1802-1875), Chief o f Staff of the Russian Mining Engineers Corps.
Help on Name Pronunciation: Name Pronunciation: Chevkinite-(Ce) + Pronunciation Say CHEVKINITE-(CE)
Help on Synonym: Synonym: Tscheffkinite