Neighborite Martin C D, Crichton W A, Liu H, Prakapenka V, Chen J, Parise J B American Mineralogist 91 (2006) 1703-1706 Rietveld structure refinement of perovskite and post-perovskite phases of NaMgF3 (neighborite) at high pressures Locality: synthetic Sample: (a), P = 27 GPa _database_code_amcsd 0004239 4.8904 5.2022 7.1403 90 90 90 Pbnm atom x y z Na .9771 .0802 .25 Mg 0 .5 0 F1 .1019 .4697 .25 F2 .6750 .3110 .0619