AM_Bieberite Formula: Co S O11 D14 Name: Bieberite Unit cell: 14.048 6.4941 10.925 90.0 105.232 90.0 , V=961.66 Space group: P121/C1 (14)

Kellersohn T , Delaplane R G , Olovsson I , Zeitschrift fur Naturforschung , B46 (1991) p.1635-1640, Disorder of a trigonally planar coordinated water molecule in cobalt sulfate, heptahydrate, CoSO4*7D2O