AM_Tschermigite Formula: N Al S2 Os8 (O12 H24) Name: Tschermigite Unit cell: 12.242 12.242 12.242 90.0 90.0 90.0 , V=1834.67 Space group: PA3 (205)

Abdeen A M , Will G , Schaefer W , Kirfel A , Bargouth M O , Recker K , Weiss A , Zeitschrift fur Kristallographie , 157 (1981) p.147-166, X-ray and neutron diffraction study of alums, II. The crystal structure of methylammonium aluminium alum, III. The crystal structure of ammonium aluminium alum, Locality: synthetic, Sample: X-ray data