Violarite
      Tenailleau C, Etschmann B, Ibberson R M, Pring A
      American Mineralogist 91 (2006) 1442-1447
      A neutron powder diffraction study of Fe and Ni distributions in synthetic
      pentlandite and violarite using 60Ni isotope
      Locality: synthetic
      Sample: T = 25 C
      _database_code_amcsd 0004235

      CELL PARAMETERS:    9.4498   9.4498   9.4498   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    843.855
      Density (g/cm3):      4.740
      MAX. ABS. INTENSITY / VOLUME**2:      69.52738754    
      RIR:      4.776
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.25         12.13        5.4558    1   1   1         8
                26.68         31.17        3.3410    2   2   0        12
                31.40        100.00        2.8492    3   1   1        24
                38.09         46.28        2.3624    4   0   0         6
                47.11         11.03        1.9289    4   2   2        24
                50.16          4.61        1.8186    3   3   3         8
                50.16         37.60        1.8186    5   1   1        24
                54.97         79.14        1.6705    4   4   0        12
                57.72          1.77        1.5973    5   3   1        48
                62.12          3.95        1.4941    6   2   0        24
                64.68         10.16        1.4411    5   3   3        24
                68.83          8.26        1.3640    4   4   4         8
                71.27          1.75        1.3232    5   5   1        24
                75.25          5.19        1.2628    6   4   2        48
                77.60          8.32        1.2303    5   5   3        24
                77.60          5.93        1.2303    7   3   1        48
                81.48         10.50        1.1812    8   0   0         6
                87.61          1.50        1.1137    8   2   2        24
                87.61          1.04        1.1137    6   6   0        12
                89.90          6.83        1.0912    7   5   1        48
                89.90          2.71        1.0912    5   5   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.