AM_Cannonite Formula: Bi2 S O7 H2 Name: Cannonite Unit cell: 7.692 13.87 5.688 90.0 109.01 90.0 , V=573.75 Space group: P121/C1 (14)

Golic L , Graunar M , Lazarini F , Acta Crystallographica, Section B , 38 (1982) p.2881-2883, catena-Di-mu-hydroxo-mu3-oxo-dibismuth(III) sulfate, Locality: synthetic