Franklinite
      Verwey E J W, Heilmann E L
      Journal of Chemical Physics 15 (1947) 174-180
      Physical properties and cation arrangement of oxides with spinel structures
      Locality: synthetic
      _database_code_amcsd 0012948

      CELL PARAMETERS:    8.3880   8.3880   8.3880   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    590.167
      Density (g/cm3):      5.405
      MAX. ABS. INTENSITY / VOLUME**2:      103.7715460    
      RIR:      6.251
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.32          6.13        4.8428    1   1   1         8
                30.13         29.90        2.9656    2   2   0        12
                35.49        100.00        2.5291    3   1   1        24
                37.13          8.85        2.4214    2   2   2         8
                43.14         17.11        2.0970    4   0   0         6
                53.52         10.12        1.7122    4   2   2        24
                57.05         24.49        1.6143    5   1   1        24
                57.05          6.32        1.6143    3   3   3         8
                62.65         38.99        1.4828    4   4   0        12
                71.08          3.66        1.3263    6   2   0        24
                74.12          8.49        1.2792    5   3   3        24
                75.13          3.95        1.2645    6   2   2        24
                79.10          2.09        1.2107    4   4   4         8
                86.91          3.94        1.1209    6   4   2        48
                89.81          5.16        1.0920    5   5   3        24
                89.81          8.38        1.0920    7   3   1        48
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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.