Chromite
      Lenaz D, Skogby H, Princivalle F, Halenius U
      Physics and Chemistry of Minerals 31 (2004) 633-642
      Structural changes and valence states in the MgCr2O4-FeCr2O4 solid solution series
      Sample: Fe2-90
      _database_code_amcsd 0008917

      CELL PARAMETERS:    8.3739   8.3739   8.3739   90.000   90.000   90.000
      SPACE GROUP: Fd-3m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    587.196
      Density (g/cm3):      4.999
      MAX. ABS. INTENSITY / VOLUME**2:      77.65042370    
      RIR:      5.058
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.35         12.50        4.8347    1   1   1         8
                30.19         31.95        2.9606    2   2   0        12
                35.56        100.00        2.5248    3   1   1        24
                37.19          7.09        2.4173    2   2   2         8
                43.22         20.94        2.0935    4   0   0         6
                53.62          9.81        1.7093    4   2   2        24
                57.16         31.12        1.6116    5   1   1        24
                57.16          4.76        1.6116    3   3   3         8
                62.77         43.18        1.4803    4   4   0        12
                66.00          1.28        1.4154    5   3   1        48
                71.22          3.31        1.3240    6   2   0        24
                74.27          9.02        1.2770    5   3   3        24
                75.28          3.92        1.2624    6   2   2        24
                79.26          2.63        1.2087    4   4   4         8
                87.09          4.60        1.1190    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.