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 0008770

      CELL PARAMETERS:    8.0917   8.0917   8.0917   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    529.809
      Density (g/cm3):      3.610
      MAX. ABS. INTENSITY / VOLUME**2:      19.48462966    
      RIR:      1.757
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.00         38.06        4.6717    1   1   1         8
                31.27         32.78        2.8608    2   2   0        12
                36.84        100.00        2.4397    3   1   1        24
                44.80         57.94        2.0229    4   0   0         6
                55.65          8.82        1.6517    4   2   2        24
                59.35          2.84        1.5572    3   3   3         8
                59.35         46.01        1.5572    5   1   1        24
                65.22         72.92        1.4304    4   4   0        12
                68.62          3.89        1.3677    5   3   1        48
                74.11          2.63        1.2794    6   2   0        24
                77.33         10.45        1.2340    5   3   3        24
                78.39          1.14        1.2199    6   2   2        24
                82.61          7.16        1.1679    4   4   4         8
                85.75          3.47        1.1331    5   5   1        24
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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.