AM_Zippeite Formula: K U2 S O12 H5 Name: Zippeite Unit cell: 8.755 13.987 17.73 90.0 104.13 90.0 , V=2105.46 Space group: C12/C1 (15)

Vochten R , Van Haverbeke L , Van Springel K , Blaton N , Peeters O M , The Canadian Mineralogist , 33 (1995) p.1091-1101, The structure and physicochemical characteristics of synthetic zippeite, Note: S occupancies increase from .5 to full to match formula