Pyrophanite
      Liferovich R P, Mitchell R H
      Physics and Chemistry of Minerals 32 (2005) 442-449
      Rhombohedral ilmenite group nickel titanates with Zn, Mg, and Mn:
      synthesis and crystal structures
      _database_code_amcsd 0008978

      CELL PARAMETERS:    5.0855   5.0855  14.0191   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    313.992
      Density (g/cm3):      4.844
      MAX. ABS. INTENSITY / VOLUME**2:      48.30603108    
      RIR:      3.247
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.86         30.60        3.7292    0   1   2         6
                32.65        100.00        2.7424    1   0   4         6
                35.30         70.57        2.5427    1   1   0         6
                38.53          1.76        2.3365    0   0   6         2
                40.38          4.09        2.2335    2  -1   3         6
                40.38         19.09        2.2335    1   1   3         6
                41.51          1.86        2.1754    0   2   1         6
                43.06          1.62        2.1009    2   0   2         6
                48.84         38.19        1.8646    0   2   4         6
                50.03          1.11        1.8231    1   0   7         6
                53.24         28.31        1.7205    2  -1   6         6
                53.24         20.68        1.7205    1   1   6         6
                56.52          8.99        1.6282    0   1   8         6
                56.85          2.05        1.6196   -1   3   2         6
                61.69         13.22        1.5036    2   1   4         6
                61.69         18.67        1.5036    3  -1   4         6
                63.35         30.99        1.4681    3   0   0         6
                68.42          2.79        1.3712    2   0   8         6
                70.49         11.81        1.3359    1   0  10         6
                70.96          1.17        1.3283    1   1   9         6
                74.65          7.59        1.2714    2   2   0         6
                76.66          1.43        1.2431    0   3   6         6
                76.66          1.45        1.2431    3   0   6         6
                77.87          1.26        1.2268    4  -2   3         6
                79.40          2.56        1.2069   -1   3   8         6
                79.40          2.00        1.2069    1   2   8         6
                79.68          1.50        1.2034    3   1   2         6
                81.37          6.52        1.1826    0   2  10         6
                83.88          6.01        1.1535    1   3   4         6
                83.88          3.59        1.1535   -1   4   4         6
                87.31          3.83        1.1168    4  -2   6         6
                87.31          4.86        1.1168    2   2   6         6
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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.