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 = 22.1 GPa
      _database_code_amcsd 0008488

      CELL PARAMETERS:    8.1939   8.1939   8.1939   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    550.138
      Density (g/cm3):      5.821
      MAX. ABS. INTENSITY / VOLUME**2:      114.0474743    
      RIR:      6.380
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.76          3.61        4.7308    1   1   1         8
                30.87         35.26        2.8970    2   2   0        12
                36.36        100.00        2.4706    3   1   1        24
                38.04          7.41        2.3654    2   2   2         8
                44.21         13.13        2.0485    4   0   0         6
                54.89         11.80        1.6726    4   2   2        24
                58.53          5.89        1.5769    3   3   3         8
                58.53         25.49        1.5769    5   1   1        24
                64.31         37.18        1.4485    4   4   0        12
                73.03          4.25        1.2956    6   2   0        24
                76.19          8.44        1.2496    5   3   3        24
                77.23          3.38        1.2353    6   2   2        24
                81.36          1.46        1.1827    4   4   4         8
                89.51          4.82        1.0950    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.