Pyrophanite
      Liferovich R P, Mitchell R H
      The Canadian Mineralogist 44 (2006) 1099-1107
      The pyrophanite-geikielite solid-solution series: crystal structures of the
      Mn1-xMgxTiO3 series (0 < x < 0.7)
      Sample: XMg = 0.3
      Locality: synthetic
      _database_code_amcsd 0006104

      CELL PARAMETERS:    5.1149   5.1149  14.1614   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    320.857
      Density (g/cm3):      4.397
      MAX. ABS. INTENSITY / VOLUME**2:      36.12192459    
      RIR:      2.675
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.80          2.33        4.7205    0   0   3         2
                23.69         29.92        3.7553    0   1   2         6
                32.37        100.00        2.7656    1   0   4         6
                35.09         63.32        2.5575    1   1   0         6
                40.10         13.33        2.2486    2  -1   3         6
                40.10         13.29        2.2486    1   1   3         6
                42.78          1.14        2.1138    2   0   2         6
                48.48         37.96        1.8777    0   2   4         6
                52.78         29.64        1.7345    2  -1   6         6
                52.78         18.82        1.7345    1   1   6         6
                55.94          9.71        1.6438    0   1   8         6
                56.48          2.08        1.6293   -1   3   2         6
                61.24         19.00        1.5135    3  -1   4         6
                61.24         12.10        1.5135    2   1   4         6
                62.95         32.01        1.4765    3   0   0         6
                67.77          2.69        1.3828    2   0   8         6
                69.71         10.53        1.3489    1   0  10         6
                70.23          3.77        1.3402    1   1   9         6
                74.15          6.73        1.2787    2   2   0         6
                78.66          2.65        1.2164   -1   3   8         6
                78.66          2.00        1.2164    1   2   8         6
                79.12          1.61        1.2105    3   1   2         6
                80.50          5.76        1.1931    0   2  10         6
                83.24          3.02        1.1607   -1   4   4         6
                83.24          5.95        1.1607    1   3   4         6
                86.58          4.70        1.1243    2   2   6         6
                86.58          3.29        1.1243    4  -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.