Citation: Mumme, W. G.; Topa, D.; Makovicky, E. (2009). Proudite: A redetermination of its crystal structure and the proudite-felbertalite homologous series. The Canadian Mineralogist, 47, pp. 25-38.
Formula: Bi20 Cu2 Pb16 S28.12 Se18.38
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Bi40 Cu4 Pb32 S90 Se90 (Bi20 Cu2 Pb16 S45 Se45)
Multiplicity: 1