AM_Schairerite Formula: Na21 S7 O28 F6 Cl Name: Schairerite Unit cell: 12.197 12.197 19.259 90.0 90.0 120.0 , V=2481.25 Space group: P31M (157)

Fanfani L , Nunzi A , Zanazzi P F , Zanzari A R , Sabelli C , Mineralogical Magazine , 40 (1975) p.131-139, The crystal structure of schairerite and its relationship to sulphohalite, Locality: Searles Lake, California, USA