Armalcolite
      Diffraction data computed using the structure from the paper listed below, 
      along with the cell parameters refined from single crystal data of R070260
      Wechsler B A
      American Mineralogist 62 (1977) 913-920
      Cation distribution and high-temperature crystal chemistry of armalcolite
      sample Arm-E, T = 24 deg C, before annealing

      CELL PARAMETERS:   9.7300 10.0320  3.7350   90.000   90.000   90.000
      SPACE GROUP: Bbmm      

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Fe     0.80743   0.25000   0.00000     0.332     0.747
            Mg     0.80743   0.25000   0.00000     0.332     0.747
            Ti     0.80743   0.25000   0.00000     0.335     0.747
            Fe     0.13464   0.43528   0.00000     0.084     0.711
            Mg     0.13464   0.43528   0.00000     0.084     0.711
            Ti     0.13464   0.43528   0.00000     0.832     0.711
            O      0.22430   0.25000   0.00000     1.000     1.212
            O      0.04640   0.88460   0.00000     1.000     1.086
            O      0.31330   0.93480   0.00000     1.000     0.998

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  8 +/-  9 +/-  3
            MAX. ABS. INTENSITY / VOLUME**2:      25.07477314    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                17.68         12.47        5.0160    0   2   0
                18.24         37.62        4.8650    2   0   0
                20.29          1.99        4.3774    2   1   0
                25.51          8.16        3.4922    2   2   0
                25.55        100.00        3.4869    1   0   1
                27.07          4.25        3.2936    1   1   1
                31.24          4.22        2.8631    1   2   1
                32.49         71.38        2.7558    2   3   0
                36.70         18.44        2.4489    3   0   1
                36.95          6.24        2.4325    4   0   0
                37.26         20.51        2.4135    1   3   1
                37.82          1.61        2.3790    3   1   1
                40.46         13.48        2.2292    2   4   0
                41.01          1.31        2.2006    3   2   1
                41.25         15.52        2.1887    4   2   0
                45.93          3.94        1.9758    3   3   1
                46.15         19.79        1.9671    4   3   0
                48.76         31.83        1.8675    0   0   2
                49.12          9.91        1.8548    2   5   0
                52.21          8.45        1.7522    3   4   1
                52.49          3.25        1.7435    2   0   2
                53.91          1.43        1.7008    5   1   1
                54.91         12.23        1.6720    0   6   0
                55.83          1.39        1.6468    2   2   2
                56.38         17.07        1.6319    5   2   1
                56.77          1.79        1.6217    6   0   0
                57.57          3.91        1.6009    6   1   0
                58.36          2.87        1.5812    2   6   0
                59.57          7.84        1.5520    3   5   1
                59.82         19.11        1.5460    2   3   2
                60.36         15.70        1.5336    5   3   1
                61.51          5.39        1.5076    1   6   1
                62.72          2.37        1.4813    4   0   2
                63.79          1.94        1.4591    6   3   0
                65.17          4.25        1.4315    2   4   2
                65.67          2.82        1.4217    5   4   1
                65.73          5.78        1.4206    4   2   2
                67.88          5.38        1.3808    3   6   1
                68.04          1.07        1.3779    4   6   0
                68.22          2.11        1.3747    2   7   0
                69.39          8.17        1.3544    4   3   2
                71.12          1.82        1.3255    1   7   1
                71.72          4.51        1.3160    2   5   2
                73.27          4.06        1.2919    7   1   1
                75.36          1.81        1.2612    6   5   0
                75.38          6.06        1.2609    7   2   1
                76.47          6.83        1.2457    0   6   2
                77.26          2.36        1.2349    1   0   3
                78.04          1.11        1.2244    6   0   2
                78.73          2.54        1.2154    6   1   2
                79.41          1.75        1.2068    2   6   2
                81.42          1.39        1.1820    8   2   0
                83.10          1.50        1.1623    3   0   3
                83.44          2.03        1.1585    1   3   3
                84.21          1.40        1.1498    6   3   2
                87.52          2.37        1.1146    4   8   0
                88.27          1.73        1.1071    2   7   2
                89.75          2.24        1.0926    7   5   1
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.