AM_Tausonite_11 Formula: (Sr.5 Na.25 La.25) Ti O3 Name: Tausonite Unit cell: 5.5016 5.5016 7.7976 90.0 90.0 90.0 , V=236.01 Space group: I4/MCM (140)

Mitchell R H , Chakhmouradian A R , Woodward P M , Physics and Chemistry of Minerals , 27 (2000) p.583-589, Crystal chemistry of perovskite-type compounds in the, tausonite-loparite series, (Sr1-2xNaxLax)TiO3, Sample: x = 0.25