AM_Dwornikite
Formula: Ni S O5 H2
Name: Dwornikite
Unit cell: 6.824 7.594 7.457 90.0 117.79 90.0 , V=341.86
Space group: C12/C1 (15)

Wildner M , Giester G , Neues Jahrbuch fur Mineralogie, Monatshefte , 1991 (1991) p.296-306, The crystal structures of kieserite-type compounds., I. Crystal structures of Me(II)SO4*H2O (Me = Mn,Fe,Co,Ni,Zn), Locality: synthetic