Corundum
      Saalfeld H
      Zeitschrift fur Kristallographie 120 (1964) 342-348
      Strukturuntersuchungen im system Al2O3-Cr2O3
      _database_code_amcsd 0010607

      CELL PARAMETERS:    5.1280   5.1280   5.1280   55.270   55.270   55.270
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     84.870
      Density (g/cm3):      4.165
      MAX. ABS. INTENSITY / VOLUME**2:      14.96947575    
      RIR:      1.170
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.60         49.70        3.4791    1   1   0         6
                35.19        100.00        2.5506    2   1   1         6
                37.82         48.91        2.3786    0  -1   1         6
                43.40         74.05        2.0848    2   1   0        12
                52.61         48.35        1.7395    2   2   0         6
                57.56         71.45        1.6012    3   2   1        12
                59.82          2.28        1.5461    0  -1   2        12
                61.21          2.03        1.5142    2  -1   1        12
                61.36         10.54        1.5108    3   3   2         6
                66.60         37.13        1.4041    3   1   0        12
                68.30         47.19        1.3733    1  -2   1         6
                70.51          1.09        1.3356    3   2   0        12
                80.82          6.34        1.1893    0  -2   2         6
                84.48          3.32        1.1468    3  -1   1        12
                86.48          2.78        1.1253    0  -1   3        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.