Pyrophanite
      Kidoh K, Tanaka K, Marumo F, Takei H
      Acta Crystallographica B40 (1984) 329-332
      Electron density distribution in ilmenite-type crystals. II.
      Manganese (II) titanium (IV) trioxide
      Sample: ilmenite structure
      _database_code_amcsd 0009805

      CELL PARAMETERS:    5.1390   5.1390  14.2830   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    326.669
      Density (g/cm3):      4.599
      MAX. ABS. INTENSITY / VOLUME**2:      42.47268519    
      RIR:      3.007
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.55         27.35        3.7771    0   1   2         6
                32.14        100.00        2.7851    1   0   4         6
                34.92         65.90        2.5695    1   1   0         6
                39.87          6.49        2.2612    2  -1   3         6
                39.87         14.69        2.2612    1   1   3         6
                41.05          2.21        2.1987    0   2   1         6
                48.18         36.47        1.8885    0   2   4         6
                52.10          1.36        1.7555    2   0   5         6
                52.40         24.02        1.7463    2  -1   6         6
                52.40         16.50        1.7463    1   1   6         6
                55.45          9.94        1.6570    0   1   8         6
                56.18          1.83        1.6373   -1   3   2         6
                60.88         17.49        1.5217    3  -1   4         6
                60.88         11.39        1.5217    2   1   4         6
                62.62         26.82        1.4835    3   0   0         6
                67.23          2.85        1.3926    2   0   8         6
                69.06          8.98        1.3600    1   0  10         6
                69.63          2.87        1.3502    1   1   9         6
                73.75          6.37        1.2847    2   2   0         6
                78.05          2.64        1.2243   -1   3   8         6
                78.05          1.96        1.2243    1   2   8         6
                78.66          1.29        1.2163    3   1   2         6
                79.79          4.69        1.2020    0   2  10         6
                82.72          2.72        1.1666   -1   4   4         6
                82.72          5.22        1.1666    1   3   4         6
                85.98          3.34        1.1306    2   2   6         6
                85.98          2.53        1.1306    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.