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 = 4.6 GPa
      _database_code_amcsd 0008477

      CELL PARAMETERS:    8.3731   8.3731   8.3731   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    587.028
      Density (g/cm3):      5.455
      MAX. ABS. INTENSITY / VOLUME**2:      106.9211918    
      RIR:      6.382
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.35          3.59        4.8342    1   1   1         8
                30.19         35.08        2.9603    2   2   0        12
                35.56        100.00        2.5246    3   1   1        24
                37.20          7.31        2.4171    2   2   2         8
                43.22         13.38        2.0933    4   0   0         6
                53.62         11.97        1.7092    4   2   2        24
                57.16         26.01        1.6114    5   1   1        24
                57.16          5.99        1.6114    3   3   3         8
                62.78         38.18        1.4802    4   4   0        12
                71.23          4.34        1.3239    6   2   0        24
                74.28          8.62        1.2769    5   3   3        24
                75.28          3.41        1.2623    6   2   2        24
                79.27          1.50        1.2086    4   4   4         8
                87.10          4.85        1.1189    6   4   2        48
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.