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 = 0.1
      Locality: synthetic
      _database_code_amcsd 0006102

      CELL PARAMETERS:    5.1303   5.1303  14.2428   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    324.647
      Density (g/cm3):      4.533
      MAX. ABS. INTENSITY / VOLUME**2:      40.88594002    
      RIR:      2.937
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.60         27.75        3.7695    0   1   2         6
                32.22        100.00        2.7785    1   0   4         6
                34.98         64.47        2.5652    1   1   0         6
                39.95          8.38        2.2568    2  -1   3         6
                39.95         14.55        2.2568    1   1   3         6
                41.12          1.76        2.1949    0   2   1         6
                42.63          1.03        2.1207    2   0   2         6
                48.29         36.77        1.8848    0   2   4         6
                52.22          1.19        1.7518    2   0   5         6
                52.52         26.78        1.7423    2  -1   6         6
                52.52         16.76        1.7423    1   1   6         6
                55.61          9.95        1.6526    0   1   8         6
                56.29          1.96        1.6345   -1   3   2         6
                61.00         18.32        1.5188    3  -1   4         6
                61.00         11.58        1.5188    2   1   4         6
                62.74         29.13        1.4810    3   0   0         6
                67.41          2.79        1.3893    2   0   8         6
                69.28          9.57        1.3563    1   0  10         6
                69.83          3.38        1.3468    1   1   9         6
                73.89          6.57        1.2826    2   2   0         6
                78.26          2.69        1.2216   -1   3   8         6
                78.26          2.04        1.2216    1   2   8         6
                78.83          1.46        1.2142    3   1   2         6
                80.03          5.25        1.1990    0   2  10         6
                82.91          2.86        1.1645   -1   4   4         6
                82.91          5.71        1.1645    1   3   4         6
                86.19          2.79        1.1284    4  -2   6         6
                86.19          4.02        1.1284    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.