Cuprostibite
      Elander M, Haegg G, Westgren A
      Arkiv for Kemi, Mineralogi och Geologi B12 (1935) 1-6
      The crystal structure of Cu2Sb and Fe2As
      Locality: synthetic
      _database_code_amcsd 0016974

      CELL PARAMETERS:    3.9920   3.9920   6.0910   90.000   90.000   90.000
      SPACE GROUP: P4/nmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     97.067
      Density (g/cm3):      8.513
      MAX. ABS. INTENSITY / VOLUME**2:      202.6433354    
      RIR:      7.751
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.54          4.36        6.0910    0   0   1         2
                26.70         15.26        3.3388    1   0   1         8
                29.33         13.13        3.0455    0   0   2         2
                31.70         33.91        2.8228    1   1   0         4
                35.04         47.39        2.5611    1   1   1         8
                37.13          8.47        2.4213    1   0   2         8
                43.72        100.00        2.0703    1   1   2         8
                44.63         15.81        2.0303    0   0   3         2
                45.44         54.23        1.9960    2   0   0         4
                53.49          3.91        1.7132    2   1   1        16
                55.01          7.75        1.6694    2   0   2         8
                55.77          2.34        1.6483    1   1   3         8
                60.07          3.63        1.5402    2   1   2        16
                60.83          4.20        1.5228    0   0   4         2
                65.59         17.04        1.4234    2   0   3         8
                65.62          3.09        1.4228    1   0   4         8
                66.22         14.94        1.4114    2   2   0         4
                74.03          2.79        1.2806    2   2   2         8
                75.28          4.22        1.2624    3   1   0         8
                77.17          6.91        1.2361    3   1   1        16
                79.10          6.68        1.2107    2   0   4         8
                82.76         22.88        1.1662    3   1   2        16
                83.40          7.59        1.1589    2   2   3         8
                83.43          2.85        1.1586    2   1   4        16
                87.14          9.64        1.1185    1   1   5         8
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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.