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 = -173 C
      _database_code_amcsd 0004237

      CELL PARAMETERS:    9.4211   9.4211   9.4211   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    836.190
      Density (g/cm3):      4.780
      MAX. ABS. INTENSITY / VOLUME**2:      72.10632853    
      RIR:      4.912
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.30         11.91        5.4393    1   1   1         8
                26.76         31.03        3.3309    2   2   0        12
                31.49        100.00        2.8406    3   1   1        24
                38.21         46.06        2.3553    4   0   0         6
                47.27         11.45        1.9231    4   2   2        24
                50.33          4.84        1.8131    3   3   3         8
                50.33         39.15        1.8131    5   1   1        24
                55.15         82.14        1.6654    4   4   0        12
                57.91          1.85        1.5925    5   3   1        48
                62.33          4.29        1.4896    6   2   0        24
                64.90         11.10        1.4367    5   3   3        24
                69.07          8.66        1.3598    4   4   4         8
                71.52          1.87        1.3192    5   5   1        24
                75.52          5.87        1.2589    6   4   2        48
                77.89          6.94        1.2265    7   3   1        48
                77.89          9.39        1.2265    5   5   3        24
                81.78         11.69        1.1776    8   0   0         6
                87.95          1.79        1.1103    8   2   2        24
                87.95          1.22        1.1103    6   6   0        12
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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.