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 = 2.924 GPa, disordered
      _database_code_amcsd 0004473

      CELL PARAMETERS:    8.0451   8.0451   8.0451   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    520.708
      Density (g/cm3):      3.629
      MAX. ABS. INTENSITY / VOLUME**2:      19.28770626    
      RIR:      1.731
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.11         28.91        4.6448    1   1   1         8
                31.45         32.80        2.8444    2   2   0        12
                37.06        100.00        2.4257    3   1   1        24
                38.77          1.15        2.3224    2   2   2         8
                45.08         55.14        2.0113    4   0   0         6
                56.00          9.48        1.6422    4   2   2        24
                59.72          3.41        1.5483    3   3   3         8
                59.72         41.12        1.5483    5   1   1        24
                65.65         70.41        1.4222    4   4   0        12
                69.07          2.74        1.3599    5   3   1        48
                74.61          3.08        1.2720    6   2   0        24
                77.86          9.95        1.2269    5   3   3        24
                83.19          6.39        1.1612    4   4   4         8
                86.37          2.33        1.1265    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.