Gahnite
      Levy D, Pavese A, Sani A, Pischedda V
      Physics and Chemistry of Minerals 28 (2001) 612-618
      Structure and compressibility of synthetic ZnAl2O4 (gahnite) under
      high-pressure conditions, from synchrotron X-ray powder diffraction
      Sample: P = 16.7 GPa
      _database_code_amcsd 0008617

      CELL PARAMETERS:    7.9177   7.9177   7.9177   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    496.358
      Density (g/cm3):      4.907
      MAX. ABS. INTENSITY / VOLUME**2:      59.99564068    
      RIR:      3.981
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.42          4.79        4.5713    1   1   1         8
                31.97         78.46        2.7993    2   2   0        12
                37.68        100.00        2.3873    3   1   1        24
                45.84          3.64        1.9794    4   0   0         6
                50.23          9.47        1.8164    3   3   1        24
                56.98         23.37        1.6162    4   2   2        24
                60.79         34.09        1.5238    5   1   1        24
                60.79          4.23        1.5238    3   3   3         8
                66.84         39.80        1.3997    4   4   0        12
                70.34          1.23        1.3383    5   3   1        48
                76.02          7.82        1.2519    6   2   0        24
                79.36          9.32        1.2074    5   3   3        24
                88.11          1.16        1.1087    7   1   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.