Mineralogy Database

Percleveite-(Ce) Mineral Data

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General Percleveite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: (Ce,La,Nd)2Si2O7
Help on Composition: Composition: Molecular Weight = 442.72 gm
   Lanthanum      12.86 %  La   15.09 % La2O3
   Cerium         27.53 %  Ce   32.25 % Ce2O3
   Praeseodymium   2.86 %  Pr    3.35 % Pr2O3
   Samarium        2.38 %  Sm    2.76 % Sm2O3
   Gadolinium      2.13 %  Gd    2.46 % Gd2O3
   Dysprosium      0.37 %  Dy    0.42 % Dy2O3
   Yttrium         2.41 %  Y     3.06 % Y2O3
   Silicon        12.75 %  Si   27.28 % SiO2
   Neodymium      11.40 %  Nd   13.30 % Nd2O3
   Oxygen         25.30 %  O
                 ______        ______ 
                 100.00 %       99.96 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ce0.87La0.41Nd0.35Y0.12Pr0.09Sm0.07Gd0.06Dy0.01Si2.01O7
Help on Environment: Environment: Minor grain in cerite-(Ce) ore with magnetite, chalcopyrite and clinoamphibole. Isostructural with Ln2Si2O7.
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Museum sepcimen of cerium-rich ore from the Bastnas deposit, Skinnskatteberg district, Vastmanland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Per Theodor Cleve (1840-1905), discoverer of Holmium (Ho) and Thulium (Tm).
Help on Synonym: Synonym: IMA2002-023