Sperrylite
      Szymanski J T
      The Canadian Mineralogist 17 (1979) 117-123
      The crystal structure of platarsite, Pt(As,S)2, and a comparison with
      sperrylite, PtAs2
      Locality: Onverwacht mine, Transvaal
      _database_code_amcsd 0005169

      CELL PARAMETERS:    5.7880   5.7880   5.7880   90.000   90.000   90.000
      SPACE GROUP: Pa3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    193.903
      Density (g/cm3):      8.523
      MAX. ABS. INTENSITY / VOLUME**2:      205.7084060    
      RIR:      7.859
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                26.68         66.26        3.3417    1   1   1         8
                30.90         94.46        2.8940    2   0   0         6
                34.65         28.56        2.5885    2   1   0        12
                38.08         24.43        2.3629    2   1   1        24
                44.26         57.22        2.0464    2   2   0        12
                52.43        100.00        1.7451    3   1   1        24
                54.95         18.95        1.6709    2   2   2         8
                57.40          9.27        1.6053    3   0   2        12
                59.78          9.17        1.5469    3   2   1        24
                59.78          3.02        1.5469    3   1   2        24
                70.98         17.35        1.3279    3   3   1        24
                73.12          9.33        1.2942    4   0   2        12
                73.12          9.33        1.2942    4   2   0        12
                75.23          4.33        1.2630    4   2   1        24
                77.32          2.09        1.2340    3   3   2        24
                81.46         16.32        1.1815    4   2   2        24
                87.59          5.85        1.1139    3   3   3         8
                87.59         26.14        1.1139    5   1   1        24
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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.