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 1009006
      _database_code_amcsd 0016868

      CELL PARAMETERS:    5.0250   5.0250  11.4080   90.000   90.000  120.000
      SPACE GROUP: P3_121    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    249.467
      Density (g/cm3):      4.166
      MAX. ABS. INTENSITY / VOLUME**2:      107.8835556    
      RIR:      8.432
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.41         19.95        4.3518    1   0   0         6
                25.75         77.78        3.4598    0   1   2         6
                25.75         22.22        3.4598    1   0   2         6
                35.74          9.02        2.5125    1   1   0         3
                37.71         18.58        2.3854    1   0   4         6
                39.18         12.08        2.2993    1   1   2         6
                41.50         15.96        2.1759    2   0   0         6
                44.57          1.29        2.0330    0   2   2         6
                47.84          3.95        1.9013    0   0   6         2
                48.27          9.63        1.8853    1   1   4         6
                52.52          1.58        1.7423    0   1   6         6
                52.93          2.24        1.7299    0   2   4         6
                52.93          2.19        1.7299    2   0   4         6
                55.90          1.54        1.6448    2   1   0         6
                58.39          2.87        1.5804    1   2   2         6
                58.39          8.87        1.5804    2   1   2         6
                61.12          3.13        1.5161    1   1   6         6
                65.16          2.39        1.4317    0   2   6         6
                65.16          4.33        1.4317    2   0   6         6
                65.51          7.29        1.4248    1   2   4         6
                66.51          5.69        1.4058    0   3   2         6
                69.35          2.19        1.3551    0   1   8         6
                69.35          1.82        1.3551    1   0   8         6
                73.20          3.17        1.2930    3   0   4         6
                76.59          1.68        1.2439    2   1   6         6
                76.87          1.70        1.2402    1   1   8         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.