Stishovite
      Ross N L, Shu J F, Hazen R M, Gasparik T
      American Mineralogist 75 (1990) 739-747
      High-pressure crystal chemistry of stishovite
      P = 9.0 Gpa
      _database_code_amcsd 0001311

      CELL PARAMETERS:    4.1337   4.1337   2.6517   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     45.311
      Density (g/cm3):      4.403
      MAX. ABS. INTENSITY / VOLUME**2:      27.51077926    
      RIR:      2.034
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.58        100.00        2.9230    1   1   0         4
                40.41         25.34        2.2319    1   0   1         8
                46.22         40.84        1.9640    1   1   1         8
                49.29         14.96        1.8486    2   1   0         8
                61.11         59.40        1.5165    2   1   1        16
                63.67         19.96        1.4615    2   2   0         4
                71.11         10.58        1.3259    0   0   2         2
                72.28          6.37        1.3072    3   1   0         8
                74.07          1.34        1.2800    2   2   1         8
                78.18         27.42        1.2227    3   0   1         8
                79.36         10.72        1.2074    1   1   2         8
                82.22          2.34        1.1725    3   1   1        16
                87.39          1.11        1.1160    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.