Spinel
      Martignago F, Dal Negro A, Carbonin S
      Physics and Chemistry of Minerals 30 (2003) 401-408
      How Cr3+ and Fe3+ affect Mg-Al order-disorder transformation at high temperature
      in natural spinels
      Sample: L-Cr, 1st run, T = 25 C
      _database_code_amcsd 0008765

      CELL PARAMETERS:    8.0914   8.0914   8.0914   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    529.750
      Density (g/cm3):      3.611
      MAX. ABS. INTENSITY / VOLUME**2:      19.51333094    
      RIR:      1.760
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.00         37.92        4.6716    1   1   1         8
                31.27         32.75        2.8607    2   2   0        12
                36.84        100.00        2.4396    3   1   1        24
                44.80         57.76        2.0229    4   0   0         6
                55.65          8.84        1.6517    4   2   2        24
                59.35          2.86        1.5572    3   3   3         8
                59.35         45.94        1.5572    5   1   1        24
                65.23         72.80        1.4304    4   4   0        12
                68.62          3.86        1.3677    5   3   1        48
                74.11          2.65        1.2794    6   2   0        24
                77.33         10.47        1.2339    5   3   3        24
                78.39          1.17        1.2198    6   2   2        24
                82.61          7.12        1.1679    4   4   4         8
                85.75          3.43        1.1330    5   5   1        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.