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 1009003
      _database_code_amcsd 0016865

      CELL PARAMETERS:    5.0070   5.0070  11.3910   90.000   90.000  120.000
      SPACE GROUP: P3_121    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    247.313
      Density (g/cm3):      4.202
      MAX. ABS. INTENSITY / VOLUME**2:      111.9139839    
      RIR:      8.672
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.48         19.44        4.3362    1   0   0         6
                25.82         78.69        3.4501    0   1   2         6
                25.82         21.31        3.4501    1   0   2         6
                35.87          9.63        2.5035    1   1   0         3
                37.79         19.77        2.3803    1   0   4         6
                39.31         12.57        2.2919    1   1   2         6
                41.66         16.72        2.1681    2   0   0         6
                44.73          1.45        2.0262    0   2   2         6
                47.92          4.42        1.8985    0   0   6         2
                48.41         10.20        1.8802    1   1   4         6
                52.63          1.74        1.7391    0   1   6         6
                53.09          2.60        1.7250    0   2   4         6
                53.09          2.62        1.7250    2   0   4         6
                56.12          1.81        1.6389    2   1   0         6
                58.61         10.19        1.5750    2   1   2         6
                58.61          3.20        1.5750    1   2   2         6
                61.28          3.77        1.5127    1   1   6         6
                65.33          2.77        1.4283    0   2   6         6
                65.33          5.06        1.4283    2   0   6         6
                65.74          8.79        1.4205    1   2   4         6
                66.77          6.88        1.4010    0   3   2         6
                69.48          2.74        1.3528    0   1   8         6
                69.48          2.23        1.3528    1   0   8         6
                73.47          3.99        1.2889    3   0   4         6
                76.84          2.18        1.2406    2   1   6         6
                77.05          2.12        1.2377    1   1   8         6
                79.74          1.30        1.2026    3   1   0         6
                88.81          1.08        1.1017    1   0  10         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.