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 = 17.8 GPa
      _database_code_amcsd 0008486

      CELL PARAMETERS:    8.2289   8.2289   8.2289   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    557.218
      Density (g/cm3):      5.747
      MAX. ABS. INTENSITY / VOLUME**2:      114.4961999    
      RIR:      6.487
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.68          2.28        4.7510    1   1   1         8
                30.73         34.18        2.9094    2   2   0        12
                36.20        100.00        2.4811    3   1   1        24
                37.87          7.09        2.3755    2   2   2         8
                44.02         13.17        2.0572    4   0   0         6
                54.64         11.77        1.6797    4   2   2        24
                58.26          6.60        1.5837    3   3   3         8
                58.26         23.09        1.5837    5   1   1        24
                64.01         37.21        1.4547    4   4   0        12
                72.67          4.31        1.3011    6   2   0        24
                75.81          8.40        1.2549    5   3   3        24
                76.84          3.16        1.2406    6   2   2        24
                80.94          1.51        1.1877    4   4   4         8
                89.03          4.62        1.0996    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.