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 0012949

      CELL PARAMETERS:    8.4020   8.4020   8.4020   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    593.128
      Density (g/cm3):      5.382
      MAX. ABS. INTENSITY / VOLUME**2:      103.9636944    
      RIR:      6.289
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.29          5.35        4.8509    1   1   1         8
                30.08         30.78        2.9706    2   2   0        12
                35.43        100.00        2.5333    3   1   1        24
                37.07          8.47        2.4254    2   2   2         8
                43.06         16.35        2.1005    4   0   0         6
                53.42         10.49        1.7151    4   2   2        24
                56.95         24.55        1.6170    5   1   1        24
                56.95          6.34        1.6170    3   3   3         8
                62.54         38.91        1.4853    4   4   0        12
                70.94          3.80        1.3285    6   2   0        24
                73.98          8.52        1.2813    5   3   3        24
                74.98          3.81        1.2666    6   2   2        24
                78.94          1.98        1.2127    4   4   4         8
                86.73          4.10        1.1228    6   4   2        48
                89.62          8.41        1.0938    7   3   1        48
                89.62          5.18        1.0938    5   5   3        24
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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.