Pyrolusite
      Wyckoff R W G
      Crystal Structures 1 (1963) 239-444
      Second edition. Interscience Publishers, New York, New York
      Note: beta phase of MnO2, rutile structure
      _database_code_amcsd 0011760

      CELL PARAMETERS:    4.3960   4.3960   2.8710   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     55.482
      Density (g/cm3):      5.203
      MAX. ABS. INTENSITY / VOLUME**2:      69.77400497    
      RIR:      4.366
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.72        100.00        3.1084    1   1   0         4
                37.41         54.73        2.4038    1   0   1         8
                41.06          9.48        2.1980    2   0   0         4
                42.88         13.30        2.1091    1   1   1         8
                46.17          4.08        1.9660    2   1   0         8
                56.75         52.46        1.6221    2   1   1        16
                59.47         14.91        1.5542    2   2   0         4
                64.96          6.82        1.4355    0   0   2         2
                67.36          8.50        1.3901    3   1   0         8
                72.41         16.05        1.3052    3   0   1         8
                72.53          9.27        1.3032    1   1   2         8
                79.80          2.63        1.2019    2   0   2         8
                86.78          4.94        1.1222    3   2   1        16
                89.09          2.70        1.0990    4   0   0         4
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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.