Talnakhite
      Hall S R, Gabe E J
      American Mineralogist 57 (1972) 368-380
      The crystal structure of talnakhite, Cu18Fe16S32
      model B
      Note: Cu3-U33 changed to match symmetry constraints
      _database_code_amcsd 0000272

      CELL PARAMETERS:   10.5930  10.5930  10.5930   90.000   90.000   90.000
      SPACE GROUP: I-43m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1188.658
      Density (g/cm3):      4.320
      MAX. ABS. INTENSITY / VOLUME**2:      97.80609138    
      RIR:      7.371
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.81          2.02        7.4904    1   1   0        12
                20.54          1.72        4.3246    2   1   1        12
                23.76          1.52        3.7452    2   2   0        12
                26.61          1.35        3.3498    3   1   0        24
                29.20        100.00        3.0579    2   2   2         4
                31.60          1.59        2.8311    3   2   1        24
                33.85         13.25        2.6483    4   0   0         6
                48.62         65.02        1.8726    4   4   0        12
                57.73         31.75        1.5970    6   2   2        12
                60.56          2.53        1.5290    4   4   4         4
                71.21          7.92        1.3241    8   0   0         6
                78.76          9.80        1.2151    6   6   2        12
                81.22          2.13        1.1843    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.