AM_Dufrenoysite_1
Formula: Pb2 As2 S5
Name: Dufrenoysite
Unit cell: 7.9 25.74 8.37 90.0 90.35 90.0 , V=1701.97
Space group: P1211 (4)

Ribar B , Nicca C , Nowacki W , Zeitschrift fur Kristallographie , 130 (1969) p.15-40, Dreidimensionale verfeinerung der kristallstruktur von dufrenoysit, Pb8As8S20, Locality: Lengenbach, Binnatal, Switzerland