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: Fe2-80
      _database_code_amcsd 0008916

      CELL PARAMETERS:    8.3710   8.3710   8.3710   90.000   90.000   90.000
      SPACE GROUP: Fd-3m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    586.586
      Density (g/cm3):      4.976
      MAX. ABS. INTENSITY / VOLUME**2:      75.66185781    
      RIR:      4.951
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.36         13.77        4.8330    1   1   1         8
                30.20         31.09        2.9596    2   2   0        12
                35.57        100.00        2.5240    3   1   1        24
                37.21          7.21        2.4165    2   2   2         8
                43.23         21.93        2.0928    4   0   0         6
                53.64          9.43        1.7087    4   2   2        24
                57.18          4.70        1.6110    3   3   3         8
                57.18         30.83        1.6110    5   1   1        24
                62.79         43.09        1.4798    4   4   0        12
                66.03          1.44        1.4150    5   3   1        48
                71.25          3.14        1.3236    6   2   0        24
                74.30          8.84        1.2766    5   3   3        24
                75.31          3.90        1.2620    6   2   2        24
                79.29          2.74        1.2082    4   4   4         8
                87.13          4.32        1.1186    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.