Argutite
      Baur W H, Khan A A
      Acta Crystallographica B27 (1971) 2133-2139
      Rutile-type compounds. VI.
      SiO2, GeO2 and a comparison with other rutile-type structures
      Locality: synthetic
      _database_code_amcsd 0009405

      CELL PARAMETERS:    4.3975   4.3975   2.8625   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     55.355
      Density (g/cm3):      6.277
      MAX. ABS. INTENSITY / VOLUME**2:      125.4580832    
      RIR:      6.508
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.71        100.00        3.1095    1   1   0         4
                37.49         63.29        2.3990    1   0   1         8
                41.05         15.65        2.1988    2   0   0         4
                42.95          7.76        2.1060    1   1   1         8
                46.16          2.79        1.9666    2   1   0         8
                56.80         60.76        1.6209    2   1   1        16
                59.45         15.93        1.5548    2   2   0         4
                65.18          7.31        1.4312    0   0   2         2
                67.34         12.05        1.3906    3   1   0         8
                72.44         19.25        1.3047    3   0   1         8
                72.73         12.57        1.3001    1   1   2         8
                79.99          5.24        1.1995    2   0   2         8
                86.80          9.37        1.1220    3   2   1        16
                89.05          3.75        1.0994    4   0   0         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.