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 = 10.2 GPa
      _database_code_amcsd 0008481

      CELL PARAMETERS:    8.3069   8.3069   8.3069   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    573.214
      Density (g/cm3):      5.587
      MAX. ABS. INTENSITY / VOLUME**2:      111.4122710    
      RIR:      6.494
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.50          2.22        4.7960    1   1   1         8
                30.44         34.06        2.9369    2   2   0        12
                35.85        100.00        2.5046    3   1   1        24
                37.51          7.03        2.3980    2   2   2         8
                43.58         13.28        2.0767    4   0   0         6
                54.08         11.84        1.6956    4   2   2        24
                57.66          6.68        1.5987    3   3   3         8
                57.66         23.17        1.5987    5   1   1        24
                63.33         37.63        1.4685    4   4   0        12
                71.88          4.35        1.3134    6   2   0        24
                74.97          8.48        1.2668    5   3   3        24
                75.99          3.17        1.2523    6   2   2        24
                80.03          1.53        1.1990    4   4   4         8
                87.97          4.63        1.1101    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.