Argutite
      Haines J, Leger J M, Chateau C, Pereira A S
      Physics and Chemistry of Minerals 27 (2000) 575-582
      Structural evolution of rutile-type and CaCl2-type germanium dioxide
      at high pressure
      Sample: rutile-type, P = 25 GPa
      _database_code_amcsd 0008439

      CELL PARAMETERS:    4.2630   4.2630   2.8148   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     51.154
      Density (g/cm3):      6.793
      MAX. ABS. INTENSITY / VOLUME**2:      127.8529841    
      RIR:      6.129
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.64        100.00        3.0144    1   1   0         4
                38.32         69.48        2.3489    1   0   1         8
                42.41         14.75        2.1315    2   0   0         4
                44.01          8.01        2.0573    1   1   1         8
                47.70          1.98        1.9065    2   1   0         8
                58.47         56.93        1.5785    2   1   1        16
                61.53         15.47        1.5072    2   2   0         4
                66.43          6.89        1.4074    0   0   2         2
                69.76         11.60        1.3481    3   1   0         8
                74.39         11.45        1.2753    1   1   2         8
                74.85         16.21        1.2685    3   0   1         8
                82.05          4.70        1.1745    2   0   2         8
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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.