AM_Pierrotite
Formula: Tl Sb3 As2 S8
Name: Pierrotite
Unit cell: 38.746 8.816 7.989 90.0 90.0 90.0 , V=2728.92
Space group: PNA21 (33)

Engel P , Gostojic M , Nowacki W , Zeitschrift fur Kristallographie , 165 (1983) p.209-215, The crystal structure of pierrotite, Tl2(Sb,As)10S16, Locality: Jas-Roux, Hutes-Alps, France