Neighborite
      Chen J, Liu H, Martin C D, Parise J B, Weidner D J
      American Mineralogist 90 (2005) 1534-1539
      Crystal chemistry of NaMgF3 perovskite and high pressure and temperature
      Sample: P = 4 GPa, T = 1000 C, high-T polymorph
      _database_code_amcsd 0003931

      CELL PARAMETERS:    3.8760   3.8760   3.8760   90.000   90.000   90.000
      SPACE GROUP: Pm-3m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     58.231
      Density (g/cm3):      2.974
      MAX. ABS. INTENSITY / VOLUME**2:      7.101188191    
      RIR:      0.778
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                22.94         73.32        3.8760    1   0   0         6
                32.67        100.00        2.7407    1   1   0        12
                40.30         40.36        2.2378    1   1   1         8
                46.88         89.92        1.9380    2   0   0         6
                52.81         14.68        1.7334    2   1   0        24
                58.31         23.25        1.5824    2   1   1        24
                68.47         17.36        1.3704    2   2   0        12
                73.27          3.31        1.2920    2   2   1        24
                77.95          5.29        1.2257    3   1   0        24
                87.10          2.18        1.1189    2   2   2         8
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.