Armalcolite
      Wechsler B A, Von Dreele R B
      Acta Crystallographica B45 (1989) 542-549
      Structure refinements of Mg2TiO4, MgTiO3 and MgTi2O5 by time-of-flight neutron
      powder diffraction
      Locality: synthetic
      Sample: T = 973 K
      _database_code_amcsd 0009835

      CELL PARAMETERS:    9.7289  10.0057   3.7416   90.000   90.000   90.000
      SPACE GROUP: Bbmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    364.224
      Density (g/cm3):      3.648
      MAX. ABS. INTENSITY / VOLUME**2:      22.61117286    
      RIR:      2.018
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.73         26.89        5.0029    0   2   0         2
                18.24         25.72        4.8644    2   0   0         2
                20.30          7.91        4.3748    2   1   0         4
                25.51        100.00        3.4922    1   0   1         4
                25.54          5.03        3.4876    2   2   0         4
                31.24          7.65        2.8636    1   2   1         8
                32.55         64.51        2.7508    2   3   0         4
                36.67         12.27        2.4506    3   0   1         4
                36.96          6.71        2.4322    4   0   0         2
                37.28         12.01        2.4120    1   3   1         8
                38.08          1.39        2.3634    4   1   0         4
                40.55         11.64        2.2245    2   4   0         4
                41.27         17.32        2.1874    4   2   0         4
                44.56          1.48        2.0336    1   4   1         8
                45.96          6.42        1.9748    3   3   1         8
                46.19         15.62        1.9652    4   3   0         4
                48.67         32.17        1.8708    0   0   2         2
                49.24         13.69        1.8507    2   5   0         4
                52.20          2.23        1.7523    0   2   2         4
                52.26          6.36        1.7505    3   4   1         8
                52.40          2.32        1.7461    2   0   2         4
                52.72          1.58        1.7363    1   5   1         8
                53.05          1.06        1.7263    5   0   1         4
                53.89          2.21        1.7012    5   1   1         8
                55.07         12.00        1.6676    0   6   0         2
                56.38         16.68        1.6319    5   2   1         8
                56.78          1.17        1.6215    6   0   0         2
                57.59          3.39        1.6006    6   1   0         4
                58.51          2.16        1.5775    2   6   0         4
                59.65          8.26        1.5500    3   5   1         8
                59.78         18.48        1.5469    2   3   2         8
                60.38         15.47        1.5331    5   3   1         8
                61.63          5.61        1.5048    1   6   1         8
                62.65          2.72        1.4829    4   0   2         4
                63.83          3.27        1.4583    6   3   0         4
                65.15          3.82        1.4318    2   4   2         8
                65.67          6.91        1.4217    4   2   2         8
                65.72          2.03        1.4208    5   4   1         8
                68.00          4.11        1.3787    3   6   1         8
                68.18          1.21        1.3754    4   6   0         4
                68.41          1.87        1.3714    2   7   0         4
                69.35          6.69        1.3550    4   3   2         8
                71.29          1.16        1.3229    1   7   1         8
                71.74          6.77        1.3157    2   5   2         8
                72.28          1.12        1.3071    5   5   1         8
                73.27          3.74        1.2920    7   1   1         8
                75.39          6.37        1.2608    7   2   1         8
                75.46          1.73        1.2598    6   5   0         4
                76.53          7.10        1.2448    0   6   2         4
                77.10          2.64        1.2371    1   0   3         4
                78.67          2.33        1.2162    6   1   2         8
                78.88          1.64        1.2136    7   3   1         8
                79.47          1.38        1.2060    2   6   2         8
                81.44          1.21        1.1817    8   2   0         4
                82.94          1.22        1.1641    3   0   3         4
                83.31          1.54        1.1599    1   3   3         8
                84.18          2.57        1.1501    6   3   2         8
                87.75          3.01        1.1123    4   8   0         4
                88.16          1.18        1.1081    4   6   2         8
                88.37          1.61        1.1061    2   7   2         8
                89.83          2.44        1.0918    7   5   1         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.