Volynskite
      Bayliss P
      American Mineralogist 76 (1991) 257-265
      Crystal chemistry and crystallography of some minerals in the tetradymite group
      _database_code_amcsd 0001346

      CELL PARAMETERS:    4.4680   4.4680  20.7500   90.000   90.000  120.000
      SPACE GROUP: P-3m1     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    358.736
      Density (g/cm3):      7.943
      MAX. ABS. INTENSITY / VOLUME**2:      475.4176387    
      RIR:     19.490
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 4.26         26.53       20.7500    0   0   1         2
                23.39          1.73        3.8038    0   1   1         6
                24.55          2.23        3.6255    0   1   2         6
                26.39          1.80        3.3769    0   1   3         6
                26.39          1.04        3.3769    1   0   3         6
                28.78         99.97        3.1016    1   0   4         6
                31.61          1.30        2.8301    1   0   5         6
                40.37         38.09        2.2340    1   1   0         6
                41.93         33.63        2.1545    0   1   8         6
                50.34         18.84        1.8127    0   2   4         6
                52.95          5.21        1.7292    0   0  12         2
                59.62         10.52        1.5508    2   0   8         6
                66.42         14.52        1.4076    2   1   4        12
                68.64         12.73        1.3674    1   1  12        12
                73.41          5.15        1.2898    3   0   0         6
                74.48          9.73        1.2739    1   2   8        12
                77.65          4.14        1.2296    1   0  16         6
                87.29          1.00        1.1170    2   2   0         6
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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.