Achavalite
      Wyckoff R W G
      Crystal Structures 1 (1963) 85-237
      Second edition. Interscience Publishers, New York, New York
      Note: ideal nickel arsenide structure
      _database_code_amcsd 0011573

      CELL PARAMETERS:    3.6370   3.6370   5.9580   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     68.252
      Density (g/cm3):      6.559
      MAX. ABS. INTENSITY / VOLUME**2:      134.2339886    
      RIR:      6.664
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.33          5.67        3.1497    1   0   0         6
                30.00          1.75        2.9790    0   0   2         1
                32.15        100.00        2.7846    1   0   1         6
                41.73         95.29        2.1643    1   0   2         6
                50.17         52.41        1.8185    1   1   0         6
                54.63         20.18        1.6799    1   0   3         6
                59.56          1.79        1.5522    1   1   2         6
                60.84         14.22        1.5226    2   0   1         6
                62.34          8.41        1.4895    0   0   4         1
                67.24         19.28        1.3923    2   0   2         6
                77.33          6.62        1.2340    2   0   3         6
                82.66          3.65        1.1674    2   1   1        12
                83.98         19.21        1.1523    1   1   4         6
                87.53          4.73        1.1145    1   0   5         6
                88.43          5.43        1.1055    2   1   2        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.