As Ga O4
      Philippot E, Armand P, Yot P, Cambon O, Goiffon A, McIntyre G, Bordet P
      Journal of Solid State Chemistry 146 (1999) 114-123
      Neutron and x-ray structure refinements between 15 and 1083 K of
      piezoelectric gallium arsenate, Ga As O4: temperature and pressure
      behavior compared with other alpha-quartz materials
      _cod_database_code 1009009
      _database_code_amcsd 0016871

      CELL PARAMETERS:    5.0510   5.0510  11.4210   90.000   90.000  120.000
      SPACE GROUP: P3_121    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    252.342
      Density (g/cm3):      4.118
      MAX. ABS. INTENSITY / VOLUME**2:      104.2224454    
      RIR:      8.240
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.30         20.28        4.3743    1   0   0         6
                25.65         76.87        3.4726    0   1   2         6
                25.65         23.13        3.4726    1   0   2         6
                35.55          8.52        2.5255    1   1   0         3
                37.62         17.30        2.3910    1   0   4         6
                39.00         11.28        2.3097    1   1   2         6
                41.28         15.06        2.1871    2   0   0         6
                44.35          1.14        2.0425    0   2   2         6
                47.78          3.43        1.9035    0   0   6         2
                48.10          9.20        1.8917    1   1   4         6
                52.42          1.48        1.7454    0   1   6         6
                52.72          1.97        1.7363    2   0   4         6
                52.72          1.98        1.7363    0   2   4         6
                55.59          1.23        1.6533    2   1   0         6
                58.08          7.67        1.5881    2   1   2         6
                58.08          2.81        1.5881    1   2   2         6
                60.95          2.59        1.5201    1   1   6         6
                64.95          3.84        1.4359    2   0   6         6
                64.95          1.97        1.4359    0   2   6         6
                65.21          6.22        1.4308    1   2   4         6
                66.14          4.91        1.4128    0   3   2         6
                69.23          1.71        1.3572    0   1   8         6
                69.23          1.62        1.3572    1   0   8         6
                72.84          2.55        1.2986    3   0   4         6
                76.28          1.44        1.2482    2   1   6         6
                76.68          1.40        1.2428    1   1   8         6
                78.90          2.29        1.2132    3   1   0         6
                87.33          1.03        1.1166    1   3   4         6
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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.