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 = 12.9 GPa
      _database_code_amcsd 0008483

      CELL PARAMETERS:    8.2719   8.2719   8.2719   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    565.999
      Density (g/cm3):      5.658
      MAX. ABS. INTENSITY / VOLUME**2:      112.6080652    
      RIR:      6.481
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.58          2.36        4.7758    1   1   1         8
                30.57         34.20        2.9246    2   2   0        12
                36.01        100.00        2.4941    3   1   1        24
                37.67          7.08        2.3879    2   2   2         8
                43.78         13.24        2.0680    4   0   0         6
                54.33         11.82        1.6885    4   2   2        24
                57.93          6.57        1.5919    3   3   3         8
                57.93         23.37        1.5919    5   1   1        24
                63.63         37.47        1.4623    4   4   0        12
                72.23          4.34        1.3079    6   2   0        24
                75.34          8.45        1.2615    5   3   3        24
                76.37          3.18        1.2470    6   2   2        24
                80.43          1.52        1.1939    4   4   4         8
                88.44          4.64        1.1054    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.