Corundum
      Finger L W, Hazen R M
      Journal of Applied Physics 49 (1978) 5823-5826
      Crystal structure and compression of ruby to 46 kbar
      P = 80 kbar
      _database_code_amcsd 0012927

      CELL PARAMETERS:    4.7180   4.7180  12.8180   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    247.097
      Density (g/cm3):      4.111
      MAX. ABS. INTENSITY / VOLUME**2:      12.46232772    
      RIR:      0.987
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.86         66.64        3.4453    0   1   2         6
                35.60         94.42        2.5215    1   0   4         6
                38.15         47.10        2.3590    1   1   0         6
                43.84         94.62        2.0651    1   1   3        12
                46.66          1.71        1.9465    2   0   2         6
                53.17         49.09        1.7227    0   2   4         6
                58.27        100.00        1.5835    1   1   6        12
                60.37          2.51        1.5332    2   1   1        12
                61.79          3.63        1.5014    1   2   2        12
                62.24          6.43        1.4917    0   1   8         6
                67.30         38.82        1.3912    2   1   4        12
                68.95         58.54        1.3620    3   0   0         6
                71.29          1.21        1.3228    1   2   5        12
                75.39          1.23        1.2608    2   0   8         6
                78.15         17.69        1.2230    1   0  10         6
                78.44          8.07        1.2192    1   1   9        12
                81.63          2.48        1.1795    2   2   0         6
                85.38          1.58        1.1370    2   2   3        12
                87.39          1.41        1.1159    3   1   2        12
                87.79          2.49        1.1119    1   2   8        12
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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.