Citation: Fejfarova, K.; Plasil, J.; Yang, H.; Cejka, J.; Dusek, M.; Downs, R. T.; Barkley, M. C.; Skoda, R. (2012). Revision of the crystal structure and chemical formula of weeksite, K2(UO2)2(Si5O13)*4H2O. American Mineralogist, 97, pp. 750-754.
Formula: H15.716 K3.762 O41.858 Si10 U4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O68 Si20 U8 (O17 Si5 U2)
Multiplicity: 1