Spinel
      Nestola F, Boffa Ballaran T, Balic-Zunic T, Princivalle F, Secco L, Dal Negro A
      American Mineralogist 92 (2007) 1838-1843
      Comparative compressibility and structural behavior of spinel MgAl2O4 at high
      pressures: the independency on the degree of cation order
      Locality: Sri Lanka
      Sample: P = 0.440 GPa, disordered
      _database_code_amcsd 0004472

      CELL PARAMETERS:    8.0801   8.0801   8.0801   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    527.534
      Density (g/cm3):      3.582
      MAX. ABS. INTENSITY / VOLUME**2:      19.01969740    
      RIR:      1.729
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.02         29.15        4.6650    1   1   1         8
                31.31         32.77        2.8567    2   2   0        12
                36.90        100.00        2.4362    3   1   1        24
                38.60          1.05        2.3325    2   2   2         8
                44.87         54.96        2.0200    4   0   0         6
                55.73          9.42        1.6493    4   2   2        24
                59.44          3.43        1.5550    3   3   3         8
                59.44         41.20        1.5550    5   1   1        24
                65.33         69.99        1.4284    4   4   0        12
                68.73          2.82        1.3658    5   3   1        48
                74.23          3.05        1.2776    6   2   0        24
                77.46          9.98        1.2322    5   3   3        24
                82.75          6.32        1.1663    4   4   4         8
                85.90          2.35        1.1314    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.