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 = 0.5
      Locality: synthetic
      _database_code_amcsd 0006106

      CELL PARAMETERS:    5.1007   5.1007  14.0910   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    317.491
      Density (g/cm3):      4.251
      MAX. ABS. INTENSITY / VOLUME**2:      31.24694064    
      RIR:      2.393
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.89          4.95        4.6970    0   0   3         2
                21.08          3.38        4.2151    1   0   1         6
                23.77         31.98        3.7426    0   1   2         6
                32.51        100.00        2.7542    1   0   4         6
                35.19         62.37        2.5503    1   1   0         6
                40.24         19.85        2.2413    2  -1   3         6
                40.24         10.89        2.2413    1   1   3         6
                48.66         39.72        1.8713    0   2   4         6
                53.01         29.58        1.7276    2  -1   6         6
                53.01         20.59        1.7276    1   1   6         6
                56.22         10.06        1.6361    0   1   8         6
                56.66          2.18        1.6246   -1   3   2         6
                61.46         12.28        1.5087    2   1   4         6
                61.46         19.61        1.5087    3  -1   4         6
                63.14         32.87        1.4724    3   0   0         6
                68.09          2.70        1.3771    2   0   8         6
                70.10         10.79        1.3425    1   0  10         6
                70.59          3.94        1.3343    1   1   9         6
                74.39          6.83        1.2752    2   2   0         6
                77.58          1.15        1.2306    2   2   3         6
                79.02          2.79        1.2117   -1   3   8         6
                79.02          1.92        1.2117    1   2   8         6
                79.39          1.77        1.2070    3   1   2         6
                80.93          5.62        1.1879    0   2  10         6
                83.55          2.89        1.1572   -1   4   4         6
                83.55          6.01        1.1572    1   3   4         6
                86.93          4.56        1.1206    2   2   6         6
                86.93          3.46        1.1206    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.