Lepersonnite-(Gd) Mineral Data

General Lepersonnite-(Gd) Information
Chemical Formula:	CaGd2(UO3)24(CO3)8(SiO4)4O4•60(H2O)
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
Empirical Formula:	Ca_0.71Gd_1.04Dy_0.52Y_0.32Tb_0.06U_23.95C_8.1Si_4.18O₁₀₀�59.9(H₂O)
Environment:	In a black crust in the lower portion of the oxidation zone.
IMA Status:	Approved IMA 1982
Locality:	Shinkolobwe, Shaba, Zaire. Link to MinDat.org Location Data.
Name Origin:	Named after Jacques Lepersonne (1909-), honorary head of the Department of Geology and Mineralogy, Musee Royale de l'Afrique Centrale, Brussels, Belgium.
Name Pronunciation:	Lepersonnite-(Gd) + Pronunciation