Franklinite
      Lucchesi S, Russo U, Della Giusta A
      European Journal of Mineralogy 11 (1999) 501-511
      Cation distribution in natural Zn-spinels: franklinite
      Sample: FRK5
      _database_code_amcsd 0006782

      CELL PARAMETERS:    8.4434   8.4434   8.4434   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    601.939
      Density (g/cm3):      5.091
      MAX. ABS. INTENSITY / VOLUME**2:      87.31818352    
      RIR:      5.585
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.20          8.45        4.8748    1   1   1         8
                29.93         33.62        2.9852    2   2   0        12
                35.25        100.00        2.5458    3   1   1        24
                36.88          7.44        2.4374    2   2   2         8
                42.84         17.13        2.1109    4   0   0         6
                53.14         10.76        1.7235    4   2   2        24
                56.64         29.30        1.6249    5   1   1        24
                56.64          5.17        1.6249    3   3   3         8
                62.19         40.45        1.4926    4   4   0        12
                70.54          3.71        1.3350    6   2   0        24
                73.56          8.72        1.2876    5   3   3        24
                74.55          3.73        1.2729    6   2   2        24
                78.48          1.96        1.2187    4   4   4         8
                86.20          4.64        1.1283    6   4   2        48
                89.07          5.90        1.0992    5   5   3        24
                89.07          7.19        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.