Franklinite
      Levy D, Pavese A, Hanfland M
      Physics and Chemistry of Minerals 27 (2000) 638-644
      Phase transition of synthetic zinc ferrite spinel (ZnFe2O4)
      at high pressure, from synchrotron X-ray powder diffraction
      Sample: P = 16.0 GPa
      _database_code_amcsd 0008485

      CELL PARAMETERS:    8.2440   8.2440   8.2440   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    560.292
      Density (g/cm3):      5.715
      MAX. ABS. INTENSITY / VOLUME**2:      114.2629971    
      RIR:      6.510
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.64          2.05        4.7597    1   1   1         8
                30.67         34.00        2.9147    2   2   0        12
                36.14        100.00        2.4857    3   1   1        24
                37.80          7.03        2.3798    2   2   2         8
                43.93         13.17        2.0610    4   0   0         6
                54.53         11.75        1.6828    4   2   2        24
                58.14          6.76        1.5866    3   3   3         8
                58.14         22.62        1.5866    5   1   1        24
                63.87         37.22        1.4573    4   4   0        12
                72.52          4.32        1.3035    6   2   0        24
                75.64          8.41        1.2572    5   3   3        24
                76.68          3.13        1.2428    6   2   2        24
                80.76          1.51        1.1899    4   4   4         8
                88.82          4.60        1.1017    6   4   2        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.