Franklinite
      Moran E, Blesa M C, Medina M-E, Tornero J D, Menendez N, Amado U
      Inorganic Chemistry 41 (2002) 5961-5967
      Nonstoichiometric spinel ferrites obtained from alpha-NaFeO2
      via molten media reactions
      Locality: Synthetic sample
      _database_code_amcsd 0012723

      CELL PARAMETERS:    8.4430   8.4430   8.4430   90.000   90.000   90.000
      SPACE GROUP: Fd-3m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    601.853
      Density (g/cm3):      5.338
      MAX. ABS. INTENSITY / VOLUME**2:      96.33762100    
      RIR:      5.877
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.20         12.84        4.8746    1   1   1         8
                29.93         26.05        2.9851    2   2   0        12
                35.26        100.00        2.5457    3   1   1        24
                36.88         11.17        2.4373    2   2   2         8
                42.84         21.34        2.1107    4   0   0         6
                46.91          1.01        1.9370    3   3   1        24
                53.14          7.95        1.7234    4   2   2        24
                56.65          5.62        1.6249    3   3   3         8
                56.65         24.41        1.6249    5   1   1        24
                62.20         37.60        1.4925    4   4   0        12
                65.39          1.56        1.4271    5   3   1        48
                70.55          2.62        1.3350    6   2   0        24
                73.56          7.57        1.2875    5   3   3        24
                74.55          4.34        1.2728    6   2   2        24
                78.49          2.53        1.2186    4   4   4         8
                86.20          2.73        1.1282    6   4   2        48
                89.07          4.49        1.0992    5   5   3        24
                89.07          6.61        1.0992    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.