Tetrahedrite
      Peterson R C, Miller I
      Mineralogical Magazine 50 (1986) 717-721
      Crystal structure and cation distribution in freibergite and tetrahedrite
      Locality: Turquetil Lake, Northwest Territories, Canada
      _database_code_amcsd 0014485

      CELL PARAMETERS:   10.3640  10.3640  10.3640   90.000   90.000   90.000
      SPACE GROUP: I-43m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1113.223
      Density (g/cm3):      4.915
      MAX. ABS. INTENSITY / VOLUME**2:      126.7911677    
      RIR:      8.400
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.08          1.25        7.3285    1   1   0        12
                17.11          3.48        5.1820    2   0   0         6
                21.00          2.84        4.2311    2   1   1        12
                24.29          9.32        3.6642    2   2   0        12
                29.86        100.00        2.9918    2   2   2         4
                32.32          8.43        2.7699    3   2   1        24
                34.62         21.54        2.5910    4   0   0         6
                36.79          7.75        2.4428    4   1   1        12
                36.79          1.43        2.4428    3   3   0        12
                38.86          2.39        2.3175    4   2   0        24
                40.84          2.24        2.2096    3   3   2        12
                42.74          1.91        2.1155    4   2   2        12
                44.58          2.06        2.0325    5   1   0        24
                44.58          5.56        2.0325    4   3   1        24
                48.09          5.99        1.8922    5   2   1        24
                49.77         42.69        1.8321    4   4   0        12
                51.41          2.10        1.7774    4   3   3        12
                54.59          1.47        1.6813    5   3   2        24
                54.59          5.90        1.6813    6   1   1        12
                56.13          1.64        1.6387    6   2   0        24
                57.64          1.16        1.5992    5   4   1        24
                59.13         22.34        1.5624    6   2   2        12
                60.60          2.16        1.5281    6   3   1        24
                62.04          2.55        1.4959    4   4   4         4
                63.47          1.60        1.4657    5   4   3        24
                66.27          1.31        1.4104    6   3   3        12
                71.71          1.01        1.3162    6   5   1        24
                73.04          3.94        1.2955    8   0   0         6
                76.97          3.39        1.2387    6   5   3        24
                79.57          3.34        1.2048    8   3   1        24
                80.85          5.47        1.1888    6   6   2        12
                82.13          1.36        1.1735    7   5   2        24
                83.41          1.52        1.1587    8   4   0        24
                87.23          1.06        1.1176    7   6   1        24
                89.77          1.80        1.0925    8   5   1        24
                89.77          1.12        1.0925    7   5   4        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.