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-Fe, 1st run, T = 25 C
      _database_code_amcsd 0008810

      CELL PARAMETERS:    8.0989   8.0989   8.0989   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    531.224
      Density (g/cm3):      3.608
      MAX. ABS. INTENSITY / VOLUME**2:      19.70885703    
      RIR:      1.779
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.98         36.68        4.6759    1   1   1         8
                31.24         32.71        2.8634    2   2   0        12
                36.81        100.00        2.4419    3   1   1        24
                44.76         57.11        2.0247    4   0   0         6
                55.59          8.92        1.6532    4   2   2        24
                59.29          2.93        1.5586    3   3   3         8
                59.29         45.48        1.5586    5   1   1        24
                65.16         72.54        1.4317    4   4   0        12
                68.55          3.75        1.3690    5   3   1        48
                74.03          2.70        1.2805    6   2   0        24
                77.25         10.46        1.2351    5   3   3        24
                78.31          1.16        1.2210    6   2   2        24
                82.52          7.04        1.1690    4   4   4         8
                85.65          3.32        1.1341    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.