AM_Szomolnokite Formula: Fe S O5 H2 Name: Szomolnokite Unit cell: 7.078 7.549 7.773 90.0 118.65 90.0 , V=364.48 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