Formula: Mg S O11 H14
Name: Epsomite
Unit cell: 11.868 11.996 6.857 90.0 90.0 90.0 , V=976.22
Space group: P212121 (19)

Baur W H , Acta Crystallographica , 17 (1964) p.1361-1369, On the crystal chemistry of salt hydrates. IV. The refinement of the crystal, structure of MgSO4*7H2O (epsomite), Note: Mg z-coordinate altered in order to reproduce Mg-O bond lengths, Locality: synthetic