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 = 12.4 GPa
      _database_code_amcsd 0008613

      CELL PARAMETERS:    7.9561   7.9561   7.9561   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    503.615
      Density (g/cm3):      4.836
      MAX. ABS. INTENSITY / VOLUME**2:      59.06343982    
      RIR:      3.977
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.32          4.66        4.5935    1   1   1         8
                31.81         78.62        2.8129    2   2   0        12
                37.49        100.00        2.3989    3   1   1        24
                45.61          3.65        1.9890    4   0   0         6
                49.97          9.60        1.8253    3   3   1        24
                56.68         23.46        1.6240    4   2   2        24
                60.46          4.20        1.5312    3   3   3         8
                60.46         34.43        1.5312    5   1   1        24
                66.48         40.00        1.4065    4   4   0        12
                69.95          1.22        1.3448    5   3   1        48
                75.59          7.83        1.2580    6   2   0        24
                78.90          9.37        1.2133    5   3   3        24
                87.57          1.17        1.1141    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.