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 = 0.0001 GPa, in air, ordered
      _database_code_amcsd 0004464

      CELL PARAMETERS:    8.0888   8.0888   8.0888   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    529.240
      Density (g/cm3):      3.570
      MAX. ABS. INTENSITY / VOLUME**2:      18.78133102    
      RIR:      1.713
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.00         35.19        4.6701    1   1   1         8
                31.28         34.12        2.8598    2   2   0        12
                36.85        100.00        2.4389    3   1   1        24
                38.56          1.10        2.3350    2   2   2         8
                44.82         57.58        2.0222    4   0   0         6
                55.67          9.29        1.6511    4   2   2        24
                59.37          2.87        1.5567    3   3   3         8
                59.37         46.47        1.5567    5   1   1        24
                65.25         74.11        1.4299    4   4   0        12
                68.64          3.60        1.3673    5   3   1        48
                74.14          2.82        1.2790    6   2   0        24
                77.36         10.63        1.2335    5   3   3        24
                78.42          1.03        1.2194    6   2   2        24
                82.65          7.10        1.1675    4   4   4         8
                85.79          3.35        1.1327    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.