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 = 1 atm
      _database_code_amcsd 0008735

      CELL PARAMETERS:    4.1812   4.1812   2.6662   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     46.612
      Density (g/cm3):      4.280
      MAX. ABS. INTENSITY / VOLUME**2:      26.84465497    
      RIR:      2.042
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.23        100.00        2.9566    1   1   0         4
                40.11         24.52        2.2480    1   0   1         8
                45.83         39.72        1.9800    1   1   1         8
                48.70         15.03        1.8699    2   1   0         8
                60.47         58.02        1.5309    2   1   1        16
                62.87         19.40        1.4783    2   2   0         4
                70.66         10.04        1.3331    0   0   2         2
                71.33          6.14        1.3222    3   1   0         8
                73.21          1.34        1.2929    2   2   1         8
                77.24         26.44        1.2352    3   0   1         8
                78.74         10.22        1.2153    1   1   2         8
                81.21          2.12        1.1846    3   1   1        16
                86.61          1.10        1.1240    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.