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 = 0.4
      Locality: synthetic
      _database_code_amcsd 0006105

      CELL PARAMETERS:    5.1084   5.1084  14.1286   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    319.300
      Density (g/cm3):      4.323
      MAX. ABS. INTENSITY / VOLUME**2:      33.56218928    
      RIR:      2.528
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.84          3.27        4.7095    0   0   3         2
                21.04          1.70        4.2219    1   0   1         6
                23.73         30.83        3.7494    0   1   2         6
                32.44        100.00        2.7603    1   0   4         6
                35.13         62.44        2.5542    1   1   0         6
                40.16         16.09        2.2452    2  -1   3         6
                40.16         12.65        2.2452    1   1   3         6
                42.84          1.11        2.1109    2   0   2         6
                48.56         38.45        1.8747    0   2   4         6
                52.88         29.76        1.7313    2  -1   6         6
                52.88         19.86        1.7313    1   1   6         6
                56.07          9.70        1.6402    0   1   8         6
                56.56          2.16        1.6272   -1   3   2         6
                61.34         12.00        1.5113    2   1   4         6
                61.34         19.08        1.5113    3  -1   4         6
                63.04         32.46        1.4747    3   0   0         6
                67.92          2.65        1.3801    2   0   8         6
                69.89         10.61        1.3459    1   0  10         6
                70.40          3.67        1.3374    1   1   9         6
                74.26          6.61        1.2771    2   2   0         6
                78.83          2.69        1.2142   -1   3   8         6
                78.83          1.90        1.2142    1   2   8         6
                79.24          1.67        1.2089    3   1   2         6
                80.70          5.64        1.1907    0   2  10         6
                83.38          2.89        1.1591   -1   4   4         6
                83.38          5.89        1.1591    1   3   4         6
                86.74          3.36        1.1226    4  -2   6         6
                86.74          4.63        1.1226    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.