Mannardite
      Szymanski J T
      The Canadian Mineralogist 24 (1986) 67-78
      The crystal structure of mannardite, a new hydrated cryptomelane-group
      (hollandite) mineral with a doubled short axis
      _database_code_amcsd 0005210

      CELL PARAMETERS:   14.3570  14.3570   5.9080   90.000   90.000   90.000
      SPACE GROUP: I4_1/a    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1217.777
      Density (g/cm3):      4.405
      MAX. ABS. INTENSITY / VOLUME**2:      46.08043517    
      RIR:      3.406
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.22          7.38        5.4635    1   0   1         8
                17.47          5.89        5.0760    2   2   0         4
                20.43          4.62        4.3475    2   1   1         8
                20.43          4.29        4.3475    1   2   1         8
                23.93          3.43        3.7187    3   0   1         8
                24.81         20.36        3.5893    4   0   0         4
                27.00          2.14        3.3020    3   2   1         8
                27.00          2.63        3.3020    2   3   1         8
                27.79         65.70        3.2103    4   2   0         4
                27.79         34.30        3.2103    2   4   0         4
                29.78          1.37        2.9998    4   1   1         8
                29.78          2.06        2.9998    1   4   1         8
                31.54         10.22        2.8364    1   1   2         8
                34.74          1.12        2.5825    3   4   1         8
                35.37          2.85        2.5380    4   4   0         4
                36.28         38.65        2.4760    3   1   2         8
                36.28          5.93        2.4760    1   3   2         8
                39.71         11.77        2.2700    6   2   0         4
                39.71          5.17        2.2700    2   6   0         4
                40.54         37.04        2.2254    3   3   2         8
                44.45          1.08        2.0381    5   1   2         8
                44.45          7.47        2.0381    1   5   2         8
                45.56          5.59        1.9910    4   6   0         4
                48.11          3.64        1.8913    5   3   2         8
                48.11         22.35        1.8913    3   5   2         8
                50.88          3.57        1.7946    8   0   0         4
                52.56          2.70        1.7410    8   2   0         4
                54.21         19.46        1.6920    6   6   0         4
                54.87          1.91        1.6733    1   7   2         8
                58.04          3.93        1.5891    3   7   2         8
                58.04         23.88        1.5891    7   3   2         8
                62.93          7.89        1.4770    0   0   4         2
                64.08          4.37        1.4531    5   7   2         8
                66.99         18.14        1.3970    1   9   2         8
                66.99          1.57        1.3970    9   1   2         8
                68.72          1.30        1.3659    4   0   4         8
                69.83          1.79        1.3469    3   9   2         8
                69.83          1.58        1.3469    9   3   2         8
                70.13          5.74        1.3418    4   2   4         8
                70.13          2.94        1.3418    2   4   4         8
                70.67          3.85        1.3330    4  10   0         4
                70.67          2.65        1.3330   10   4   0         4
                72.62          1.22        1.3018    7   7   2         8
                75.37          1.56        1.2610    5   9   2         8
                77.03          1.77        1.2380    6   2   4         8
                77.03          1.05        1.2380    2   6   4         8
                80.23          2.93        1.1964   12   0   0         4
                81.57          1.04        1.1801   12   2   0         4
                83.45          1.10        1.1583   11   3   2         8
                83.45          1.19        1.1583    9   7   2         8
                85.06          1.08        1.1404    8   0   4         8
                86.89          2.80        1.1211   10   8   0         4
                87.71          6.58        1.1127    6   6   4         8
                88.75          1.18        1.1024   11   5   2         8
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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.