Stishovite
      Yamanaka T, Fukuda T, Tsuchiya J
      Physics and Chemistry of Minerals 29 (2002) 633-641
      Bonding character of SiO2 stishovite under high pressures up to 30 GPa
      Sample: P = 9.26 GPa
      _database_code_amcsd 0008737

      CELL PARAMETERS:    4.1340   4.1340   2.6540   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     45.357
      Density (g/cm3):      4.399
      MAX. ABS. INTENSITY / VOLUME**2:      27.03830905    
      RIR:      2.001
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.58        100.00        2.9232    1   1   0         4
                40.39         25.13        2.2334    1   0   1         8
                46.20         40.39        1.9650    1   1   1         8
                49.29         14.66        1.8488    2   1   0         8
                61.09         57.20        1.5170    2   1   1        16
                63.67         19.18        1.4616    2   2   0         4
                71.03         10.06        1.3270    0   0   2         2
                72.27          6.00        1.3073    3   1   0         8
                74.05          1.27        1.2803    2   2   1         8
                78.15         25.67        1.2230    3   0   1         8
                79.29         10.01        1.2083    1   1   2         8
                82.20          2.21        1.1727    3   1   1        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.