Citation: Krause, W.; Effenberger, H.; Brandstatter, F. (1995). Orthowalpurgite, (UO2)Bi4O4(AsO4)2.2H2O, a new mineral from the Black Forest, Germany Locality: Black Forest, Germany. European Journal of Mineralogy, 7, pp. 1313-1324.
Formula: As2 Bi4 H4 O16 U
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: As8 Bi16 O56 U4 (As2 Bi4 O14 U)
Multiplicity: 1