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 = 20.3 GPa
      _database_code_amcsd 0008438

      CELL PARAMETERS:    4.2835   4.2835   2.8193   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     51.730
      Density (g/cm3):      6.717
      MAX. ABS. INTENSITY / VOLUME**2:      127.2057537    
      RIR:      6.166
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.49        100.00        3.0289    1   1   0         4
                38.22         68.28        2.3550    1   0   1         8
                42.19         14.85        2.1418    2   0   0         4
                43.87          7.89        2.0637    1   1   1         8
                47.46          2.07        1.9156    2   1   0         8
                58.23         56.88        1.5845    2   1   1        16
                61.20         15.37        1.5144    2   2   0         4
                66.31          6.82        1.4096    0   0   2         2
                69.38         11.53        1.3546    3   1   0         8
                74.20         11.38        1.2780    1   1   2         8
                74.49         16.32        1.2738    3   0   1         8
                81.80          4.69        1.1775    2   0   2         8
                89.52          8.51        1.0948    3   2   1        16
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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.