Franklinite
      Lucchesi S, Russo U, Della Giusta A
      European Journal of Mineralogy 11 (1999) 501-511
      Cation distribution in natural Zn-spinels: franklinite
      Sample: FRK12
      _database_code_amcsd 0006787

      CELL PARAMETERS:    8.4585   8.4585   8.4585   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    605.174
      Density (g/cm3):      5.155
      MAX. ABS. INTENSITY / VOLUME**2:      91.99994483    
      RIR:      5.811
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.17          8.17        4.8835    1   1   1         8
                29.88         33.29        2.9905    2   2   0        12
                35.19        100.00        2.5503    3   1   1        24
                36.81          7.92        2.4418    2   2   2         8
                42.76         16.73        2.1146    4   0   0         6
                53.04         10.78        1.7266    4   2   2        24
                56.53         28.99        1.6278    5   1   1        24
                56.53          5.28        1.6278    3   3   3         8
                62.07         40.17        1.4953    4   4   0        12
                70.40          3.74        1.3374    6   2   0        24
                73.40          8.75        1.2899    5   3   3        24
                74.39          3.85        1.2752    6   2   2        24
                78.31          1.93        1.2209    4   4   4         8
                86.01          4.62        1.1303    6   4   2        48
                88.87          7.33        1.1012    7   3   1        48
                88.87          5.88        1.1012    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.