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 = 4.2 GPa
      _database_code_amcsd 0008432

      CELL PARAMETERS:    4.3751   4.3751   2.8511   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     54.574
      Density (g/cm3):      6.367
      MAX. ABS. INTENSITY / VOLUME**2:      123.7065804    
      RIR:      6.327
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.86        100.00        3.0937    1   1   0         4
                37.66         63.34        2.3887    1   0   1         8
                41.27         15.40        2.1876    2   0   0         4
                43.15          7.38        2.0965    1   1   1         8
                46.41          2.52        1.9566    2   1   0         8
                57.09         56.72        1.6133    2   1   1        16
                59.79         14.79        1.5468    2   2   0         4
                65.47          6.59        1.4255    0   0   2         2
                67.73         11.11        1.3835    3   1   0         8
                72.85         16.81        1.2984    3   0   1         8
                73.09         11.20        1.2947    1   1   2         8
                80.40          4.70        1.1943    2   0   2         8
                87.33          8.24        1.1165    3   2   1        16
                89.63          3.21        1.0938    4   0   0         4
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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.