Spinel
      Levy D, Pavese A, Hanfland M
      American Mineralogist 88 (2003) 93-98
      Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
      A synchrotron X-ray powder diffraction study
      P = 0.0 GPa
      _database_code_amcsd 0002933

      CELL PARAMETERS:    8.0815   8.0815   8.0815   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    527.806
      Density (g/cm3):      3.580
      MAX. ABS. INTENSITY / VOLUME**2:      18.46249950    
      RIR:      1.679
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.02         33.26        4.6659    1   1   1         8
                31.31         33.70        2.8572    2   2   0        12
                36.89        100.00        2.4367    3   1   1        24
                44.86         55.45        2.0204    4   0   0         6
                55.72          9.01        1.6496    4   2   2        24
                59.43          3.03        1.5553    3   3   3         8
                59.43         42.48        1.5553    5   1   1        24
                65.32         68.34        1.4286    4   4   0        12
                68.71          3.15        1.3660    5   3   1        48
                74.22          2.71        1.2778    6   2   0        24
                77.44          9.66        1.2324    5   3   3        24
                78.51          1.10        1.2183    6   2   2        24
                82.74          6.16        1.1665    4   4   4         8
                85.88          2.64        1.1316    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.