Potarite
      Bayliss P
      The Canadian Mineralogist 28 (1990) 751-755
      Revised unit cell dimensions, space group,
      and chemical formula of some metallic minerals
      Note: cell edges taken from Handbook of Mineralogy
      _database_code_amcsd 0005246

      CELL PARAMETERS:    3.0260   3.0260   3.7020   90.000   90.000   90.000
      SPACE GROUP: P4/mmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     33.898
      Density (g/cm3):     15.037
      MAX. ABS. INTENSITY / VOLUME**2:      1072.807166    
      RIR:     23.230
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.04          7.00        3.7020    0   0   1         2
                29.52          8.54        3.0260    1   0   0         4
                38.42        100.00        2.3429    1   0   1         8
                42.24         37.60        2.1397    1   1   0         4
                49.18          4.37        1.8525    1   1   1         8
                49.23         11.58        1.8510    0   0   2         2
                58.45          2.61        1.5790    1   0   2         8
                61.27         11.13        1.5130    2   0   0         4
                66.79          1.72        1.4005    2   0   1         8
                66.83         16.53        1.3999    1   1   2         8
                69.45          1.53        1.3533    2   1   0         8
                74.68         22.85        1.2710    2   1   1        16
                82.31          8.48        1.1714    2   0   2         8
                84.86          7.79        1.1426    1   0   3         8
                89.77          1.51        1.0924    2   1   2        16
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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.