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 0004230

      CELL PARAMETERS:    9.4424   9.4424   9.4424   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    841.874
      Density (g/cm3):      4.759
      MAX. ABS. INTENSITY / VOLUME**2:      72.90568659    
      RIR:      4.988
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.26         11.50        5.4516    1   1   1         8
                26.70         30.58        3.3384    2   2   0        12
                31.42        100.00        2.8470    3   1   1        24
                38.12         45.25        2.3606    4   0   0         6
                47.15         11.39        1.9274    4   2   2        24
                50.20          5.07        1.8172    3   3   3         8
                50.20         38.14        1.8172    5   1   1        24
                55.01         80.60        1.6692    4   4   0        12
                57.76          1.80        1.5961    5   3   1        48
                62.18          4.31        1.4930    6   2   0        24
                64.74         11.10        1.4400    5   3   3        24
                68.89          8.36        1.3629    4   4   4         8
                71.33          1.69        1.3222    5   5   1        24
                75.32          5.73        1.2618    6   4   2        48
                77.68          9.11        1.2293    5   5   3        24
                77.68          7.35        1.2293    7   3   1        48
                81.56         11.32        1.1803    8   0   0         6
                87.70          1.15        1.1128    6   6   0        12
                87.70          1.76        1.1128    8   2   2        24
                89.99          8.22        1.0903    7   5   1        48
                89.99          2.95        1.0903    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.