Hollandite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R060852
      Post J E, Von Dreele R B, Buseck P R
      Acta Crystallographica B38 (1982) 1056-1065
      Symmetry and cation displacements in hollandites:
      structure refinements of hollandite, cryptomelane and priderite
      Locality: Stuor Njuoskes, Sweden
      Note: Anisotropic displacement factors from ICSD

      CELL PARAMETERS:   10.02600   2.878200   9.729000   90.00000   91.03000   90.00000
      SPACE GROUP: I2/m
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                12.63         13.72        7.0246   -1   0   1
                12.81         14.70        6.9247    1   0   1
                17.80         20.66        4.9902    2   0   0
                18.22         32.39        4.8747    0   0   2
                25.38         24.10        3.5123   -2   0   2
                25.75         23.09        3.4624    2   0   2
                28.24         49.42        3.1624   -3   0   1
                28.49        100.00        3.1348    3   0   1
                28.79         99.52        3.1032   -1   0   3
                29.03         49.83        3.0772    1   0   3
                32.44          6.76        2.7614    1   1   0
                32.50          6.84        2.7563    0   1   1
                36.00         15.05        2.4951    4   0   0
                36.89          8.42        2.4374    0   0   4
                37.21         22.87        2.4169   -2   1   1
                37.34         62.77        2.4086    2   1   1
                37.37         48.80        2.4068   -1   1   2
                37.50         27.92        2.3986    1   1   2
                38.45          4.02        2.3415   -3   0   3
                39.03          1.47        2.3082    3   0   3
                40.38          8.40        2.2341   -4   0   2
                40.87         13.77        2.2083    4   0   2
                40.98         20.39        2.2026   -2   0   4
                41.53         47.27        2.1746    3   1   0
                41.47          6.28        2.1778    2   0   4
                41.97         44.54        2.1527    0   1   3
                45.52          9.21        1.9929   -3   1   2
                46.30         10.46        1.9610   -5   0   1
                46.08          6.90        1.9698    2   1   3
                47.37          2.41        1.9189   -1   0   5
                47.65          3.88        1.9086    1   0   5
                49.15         29.70        1.8535   -4   1   1
                49.36         12.74        1.8461    4   1   1
                49.80         11.60        1.8310   -1   1   4
                50.01         38.90        1.8238    1   1   4
                52.07          5.40        1.7562   -4   0   4
                52.88          5.91        1.7312    4   0   4
                54.17          4.47        1.6929   -3   0   5
                54.27          2.96        1.6901    5   0   3
                55.21         31.64        1.6634    6   0   0
                54.91          1.27        1.6718    3   0   5
                56.64         31.44        1.6249    0   0   6
                57.01          1.76        1.6152    3   1   4
                58.35          1.11        1.5812   -6   0   2
                59.24         10.52        1.5594   -5   1   2
                59.71         42.21        1.5484    5   1   2
                60.04         34.12        1.5406   -2   1   5
                60.50         12.73        1.5299    2   1   5
                64.88         24.37        1.4368    0   2   0
                65.39          8.00        1.4267   -6   1   1
                66.38          2.47        1.4079    7   0   1
                66.91          3.90        1.3980    1   1   6
                67.86          1.46        1.3807    2   2   0
                68.00          2.12        1.3782    0   2   2
                67.78          1.00        1.3821   -1   0   7
                68.43          1.90        1.3706   -4   0   6
                68.59         35.27        1.3678   -5   1   4
                68.76          1.25        1.3649    6   0   4
                68.91          3.19        1.3623   -4   1   5
                69.45          5.26        1.3530    5   1   4
                69.76         23.64        1.3476    4   1   5
                70.83          1.00        1.3298   -2   2   2
                71.00          1.00        1.3271    2   2   2
                71.91          7.16        1.3126   -7   0   3
                72.06          1.79        1.3102    6   1   3
                72.19          3.39        1.3081   -3   2   1
                72.32          7.72        1.3061    3   2   1
                72.23          1.03        1.3076   -3   1   6
                72.47          7.98        1.3038   -1   2   3
                72.59          3.79        1.3019    1   2   3
                72.79          4.82        1.2988    7   0   3
                72.98          2.83        1.2959    3   1   6
                73.28          3.68        1.2913   -3   0   7
                74.16          5.76        1.2782    3   0   7
                75.89          1.47        1.2533    0   1   7
                76.48          3.57        1.2451    4   2   0
                76.89          1.68        1.2394   -7   1   2
                77.01          2.38        1.2377    0   2   4
                77.99          2.28        1.2246   -3   2   3
                78.36          1.58        1.2198    3   2   3
                79.24          1.37        1.2084   -4   2   2
                78.97          2.83        1.2119    2   1   7
                79.55          1.23        1.2045    8   0   2
                79.57          1.62        1.2043    4   2   2
                79.64          2.34        1.2034   -2   2   4
                79.96          1.01        1.1993    2   2   4
                82.32          3.79        1.1708   -6   0   6
                83.35          1.32        1.1590   -5   2   1
                83.78          6.43        1.1541    6   0   6
                84.15          1.96        1.1500   -5   0   7
                85.21          1.06        1.1383   -8   1   1
                85.54          2.52        1.1348    8   1   1
                86.39          1.81        1.1258   -4   1   7
                86.43          1.25        1.1254    7   1   4
                87.23          1.36        1.1170   -8   0   4
                87.28          1.90        1.1166   -1   1   8
                87.73          1.34        1.1120   -4   2   4
                87.60          1.74        1.1133    1   1   8
                88.37          1.58        1.1056    4   2   4
                88.93          4.41        1.1001    9   0   1
                89.41          1.23        1.0954   -3   2   5
                90.25          9.97        1.0873    6   2   0
                90.25          9.97        1.0873    6   2   0
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.