Mineralogy Database

Lepersonnite-(Gd) Mineral Data

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General Lepersonnite-(Gd) Information

Help on Chemical  Formula: Chemical Formula: CaGd2(UO3)24(CO3)8(SiO4)4O4•60(H2O)
Help on Composition: Composition: Molecular Weight = 8,909.01 gm
   Calcium      0.32 %  Ca    0.45 % CaO
   Gadolinium   1.84 %  Gd    2.12 % Gd2O3
   Dysprosium   0.95 %  Dy    1.09 % Dy2O3
   Yttrium      0.32 %  Y     0.41 % Y2O3
   Terbium      0.11 %  Tb    0.12 % Tb2O3
   Uranium     63.99 %  U    76.89 % UO3
   Silicon      1.32 %  Si    2.82 % SiO2
   Hydrogen     1.36 %  H    12.11 % H2O
   Carbon       1.09 %  C     4.00 % CO2
   Oxygen      28.72 %  O
              ______        ______ 
              100.00 %      100.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.71Gd1.04Dy0.52Y0.32Tb0.06U23.95C8.1Si4.18O100�59.9(H2O)
Help on Environment: Environment: In a black crust in the lower portion of the oxidation zone.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Shinkolobwe, Shaba, Zaire. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Jacques Lepersonne (1909-), honorary head of the Department of Geology and Mineralogy, Musee Royale de l'Afrique Centrale, Brussels, Belgium.
Help on Name Pronunciation: Name Pronunciation: Lepersonnite-(Gd) + Pronunciation Say LEPERSONNITE-(GD)