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 = 6.8 GPa
      _database_code_amcsd 0008479

      CELL PARAMETERS:    8.3470   8.3470   8.3470   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    581.556
      Density (g/cm3):      5.507
      MAX. ABS. INTENSITY / VOLUME**2:      109.5715816    
      RIR:      6.479
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.41          2.38        4.8191    1   1   1         8
                30.29         34.14        2.9511    2   2   0        12
                35.68        100.00        2.5167    3   1   1        24
                37.32          7.04        2.4096    2   2   2         8
                43.36         13.35        2.0868    4   0   0         6
                53.80         11.89        1.7038    4   2   2        24
                57.36         23.61        1.6064    5   1   1        24
                57.36          6.60        1.6064    3   3   3         8
                62.99         37.90        1.4756    4   4   0        12
                71.48          4.37        1.3198    6   2   0        24
                74.55          8.53        1.2729    5   3   3        24
                75.56          3.19        1.2584    6   2   2        24
                79.57          1.54        1.2048    4   4   4         8
                87.44          4.66        1.1154    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.