Franklinite
      Lucchesi S, Russo U, Della Giusta A
      European Journal of Mineralogy 11 (1999) 501-511
      Cation distribution in natural Zn-spinels: franklinite
      Sample: FRK7
      _database_code_amcsd 0006784

      CELL PARAMETERS:    8.4428   8.4428   8.4428   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    601.810
      Density (g/cm3):      5.131
      MAX. ABS. INTENSITY / VOLUME**2:      91.26516095    
      RIR:      5.792
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.20          6.67        4.8745    1   1   1         8
                29.93         35.11        2.9850    2   2   0        12
                35.26        100.00        2.5456    3   1   1        24
                36.88          7.13        2.4372    2   2   2         8
                42.85         15.78        2.1107    4   0   0         6
                53.15         11.46        1.7234    4   2   2        24
                56.65         29.80        1.6248    5   1   1        24
                56.65          5.29        1.6248    3   3   3         8
                62.20         40.92        1.4925    4   4   0        12
                70.55          4.02        1.3349    6   2   0        24
                73.56          9.07        1.2875    5   3   3        24
                74.56          3.79        1.2728    6   2   2        24
                78.49          1.86        1.2186    4   4   4         8
                86.21          5.09        1.1282    6   4   2        48
                89.07          7.67        1.0992    7   3   1        48
                89.07          6.24        1.0992    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.