Tennantite
      Makovicky E, Karanovic L, Poleti D, Balic-Zunic T, Paar W H
      The Canadian Mineralogist 43 (2005) 679-688
      Crystal structure of copper-rich unsubstituted tennantite, Cu12.5As4S13
      Sample: Cerro Atajo, Catamarco, Argentina
      _database_code_amcsd 0006002

      CELL PARAMETERS:   10.1756  10.1756  10.1756   90.000   90.000   90.000
      SPACE GROUP: I-43m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1053.610
      Density (g/cm3):      4.782
      MAX. ABS. INTENSITY / VOLUME**2:      102.9087295    
      RIR:      7.008
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.30          2.27        7.1952    1   1   0        12
                21.39          3.43        4.1542    2   1   1        12
                24.75          1.72        3.5976    2   2   0        12
                30.43        100.00        2.9374    2   2   2         4
                32.94          2.40        2.7195    3   2   1        24
                35.28         16.34        2.5439    4   0   0         6
                37.50          1.72        2.3984    4   1   1        12
                37.50          3.12        2.3984    3   3   0        12
                43.57          1.25        2.0771    4   2   2        12
                45.45          3.34        1.9956    4   3   1        24
                49.03          9.17        1.8578    5   2   1        24
                50.75         41.34        1.7988    4   4   0        12
                52.43          1.87        1.7451    4   3   3        12
                55.68          1.14        1.6507    5   3   2        24
                55.68          3.24        1.6507    6   1   1        12
                57.26          1.27        1.6089    6   2   0        24
                60.34         19.92        1.5340    6   2   2        12
                63.32          2.41        1.4687    4   4   4         4
                64.78          1.21        1.4390    7   1   0        24
                74.61          3.72        1.2720    8   0   0         6
                78.67          1.49        1.2162    6   5   3        24
                81.34          1.02        1.1829    7   4   3        24
                82.67          5.79        1.1672    6   6   2        12
                85.32          1.74        1.1377    8   4   0        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.