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 = 5.5 GPa
      _database_code_amcsd 0008478

      CELL PARAMETERS:    8.3603   8.3603   8.3603   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    584.340
      Density (g/cm3):      5.480
      MAX. ABS. INTENSITY / VOLUME**2:      107.7094233    
      RIR:      6.400
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.38          3.35        4.8268    1   1   1         8
                30.24         34.90        2.9558    2   2   0        12
                35.62        100.00        2.5207    3   1   1        24
                37.26          7.26        2.4134    2   2   2         8
                43.29         13.37        2.0901    4   0   0         6
                53.71         11.96        1.7065    4   2   2        24
                57.26         25.55        1.6089    5   1   1        24
                57.26          6.09        1.6089    3   3   3         8
                62.88         38.10        1.4779    4   4   0        12
                71.35          4.34        1.3219    6   2   0        24
                74.41          8.59        1.2749    5   3   3        24
                75.42          3.36        1.2604    6   2   2        24
                79.41          1.51        1.2067    4   4   4         8
                87.27          4.81        1.1172    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.