AM_Loparite_1 Formula: (Sr.4 Na.3 La.3) Ti O3 Name: Loparite Unit cell: 5.5025 5.5025 7.7701 90.0 90.0 90.0 , V=235.26 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 = 0.30