Hibonite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R061069
      Bermanec V, Holtstam D, Sturman D, Criddle A J, Back M E, Scavnicar S
      The Canadian Mineralogist 34 (1996) 1287-1297
      Nezilovite, a new member of the magnetoplumbite group, and the crystal
      chemistry of mognetoplumbite and hibonite

      CELL PARAMETERS:   5.613000   5.613000   22.28500   90.00000   90.00000   120.0000
      SPACE GROUP: P6_3/mmc
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                 7.99          5.13       11.1132    0   0   2
                15.97          2.75        5.5566    0   0   4
                19.97         13.02        4.4504    1   0   2
                21.90          5.83        4.0618    1   0   3
                24.04          7.46        3.7044    0   0   6
                24.36          1.40        3.6568    1   0   4
                30.36          4.73        2.9454    1   0   6
                31.93         51.86        2.8041    1   1   0
                32.23         10.07        2.7783    0   0   8
                32.95          3.15        2.7189    1   1   2
                33.73        100.00        2.6577    1   0   7
                35.88         92.80        2.5034    1   1   4
                37.02          6.38        2.4284    2   0   0
                37.29         10.78        2.4116    1   0   8
                37.25          2.99        2.4140    2   0   1
                37.93         10.61        2.3724    2   0   2
                39.04         30.80        2.3076    2   0   3
                40.34         11.30        2.2358    1   1   6
                40.59          6.61        2.2226    0   0  10
                40.54          7.53        2.2252    2   0   4
                42.42         61.00        2.1311    2   0   5
                44.62         47.69        2.0309    2   0   6
                47.11          2.37        1.9289    2   0   7
                48.81          5.13        1.8656    1   0  11
                49.87          5.63        1.8284    2   0   8
                52.87         10.31        1.7315    2   0   9
                55.89          1.94        1.6448    2   1   6
                56.08          7.90        1.6396    2   0  10
                56.86          7.43        1.6189    3   0   0
                58.09          5.11        1.5876    0   0  14
                58.02         42.45        1.5892    2   1   7
                59.50         56.86        1.5532    2   0  11
                59.45         17.77        1.5543    3   0   4
                59.83          1.59        1.5455    1   1  12
                60.43         11.25        1.5316    2   1   8
                62.60          3.31        1.4835    3   0   6
                63.11          4.69        1.4727    2   0  12
                65.98          1.16        1.4154    2   1  10
                66.69         70.52        1.4020    2   2   0
                66.91         10.87        1.3980    2   0  13
                69.11          2.39        1.3587    2   1  11
                70.89         21.22        1.3288    2   0  14
                72.46          1.57        1.3038    2   1  12
                75.24          1.86        1.2625    1   0  17
                76.00          3.75        1.2517    2   2   8
                76.50          1.99        1.2448    1   1  16
                76.84         13.13        1.2401    3   1   7
                78.95          2.41        1.2121    3   1   8
                78.93          1.31        1.2124    4   0   1
                79.44          1.06        1.2058    2   0  16
                80.17          3.03        1.1967    1   0  18
                80.05          3.43        1.1982    4   0   3
                82.28          3.27        1.1713    4   0   5
                83.80          3.50        1.1538    4   0   6
                84.04          1.12        1.1512    2   0  17
                85.98          4.55        1.1301    1   1  18
                86.86          1.27        1.1208    3   1  11
                87.79          2.64        1.1113    0   0  20
                90.01          1.11        1.0896    4   0   9
                90.01          1.11        1.0896    4   0   9
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.