AM_Cosalite Formula: Bi4 Pb4 S10 Cu.12 Name: Cosalite Unit cell: 19.098 23.89 4.057 90.0 90.0 90.0 , V=1851.01 Space group: PBNM (62)

Srikrishnan T , Nowacki W , Zeitschrift fur Kristallographie , 140 (1974) p.114-136, A redetermination of the crystal structure of cosalite, Pb2Bi2S5, Locality: Cariboo gold mines, Wells, British Columbia, Canada