AM_Vikingite Formula: Bi5.78 Ag1.78 Pb5.44 S15 Name: Vikingite Unit cell: 13.598 4.112 25.249 90.0 95.59 90.0 , V=1405.08 Space group: C12/M1 (12)

Makovicky E , Mumme W G , Madsen I C , Neues Jahrbuch fur Mineralogie, Monatshefte , 1992 (1992) p.454-468, The crystal structure of vikingite, Locality: La Roche Balue, France