AM_Benjaminite Formula: Ag2.3 Cu.5 Bi6.7 Pb.4 S12 Name: Benjaminite Unit cell: 13.299 4.07 20.209 90.0 103.32 90.0 , V=1064.42 Space group: C12/M1 (12)

Makovicky E , Mumme W G , The Canadian Mineralogist , 17 (1979) p.607-618, The crystal structure of benjaminite Cu.5Pb.4Ag2.3Bi6.8S12