Orcelite
      Bindi L, Tredoux M, Zaccarini F, Miller D E, Garuti G
      Journal of Alloys and Compounds 601 (2014) 175-178
      Non-stoichiometric nickel arsenides in nature: The structure of orcelite,
      Ni5-xAs2 (x = 0.25), from the Bon Accord oxide body, South Africa
      Locality: Bon Accord oxide body, South Africa
      _database_code_amcsd 0020966

      CELL PARAMETERS:    6.7922   6.7922  12.4975   90.000   90.000  120.000
      SPACE GROUP: P6_3cm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    499.315
      Density (g/cm3):      8.551
      MAX. ABS. INTENSITY / VOLUME**2:      114.6033928    
      RIR:      4.364
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.17          8.52        6.2488    0   0   2         1
                15.06          2.68        5.8822    1   0   0         6
                27.21          8.64        3.2773    1   1   1         6
                28.57          5.52        3.1244    0   0   4         1
                29.95          9.47        2.9839    1   1   2         6
                32.45          5.48        2.7593    1   0   4         6
                33.68          6.15        2.6611    2   0   2         6
                39.18          4.86        2.2993    1   1   4         6
                40.58          1.52        2.2233    2   1   0        12
                41.24         19.08        2.1889    2   1   1        12
                42.20         30.37        2.1415    2   0   4         6
                43.19          5.12        2.0946    2   1   2        12
                43.45          2.93        2.0829    0   0   6         1
                45.03         89.16        2.0131    1   1   5         6
                46.29          6.78        1.9614    2   1   3        12
                46.30        100.00        1.9607    3   0   0         6
                48.67          1.08        1.8708    3   0   2         6
                50.37         16.34        1.8115    2   1   4        12
                51.47         17.79        1.7756    1   1   6         6
                53.94          3.45        1.6998    2   0   6         6
                54.54          5.17        1.6826    2   2   1         6
                55.32         10.36        1.6608    3   0   4         6
                56.13          1.48        1.6386    2   2   2         6
                56.92          3.65        1.6177    3   1   1        12
                58.40          1.74        1.5803    1   1   7         6
                58.72          1.39        1.5724    2   2   3         6
                60.95          2.62        1.5200    2   1   6        12
                61.41          1.27        1.5098    1   0   8         6
                65.36          1.04        1.4277    3   0   6         6
                66.58         12.06        1.4046    2   2   5         6
                68.71          1.23        1.3662    3   1   5        12
                70.14          1.94        1.3417    3   2   1        12
                71.71          6.03        1.3161    2   2   6         6
                73.82          1.21        1.2836    4   1   0        12
                74.28          3.96        1.2769    4   1   1        12
                75.63          1.65        1.2574    4   1   2        12
                76.17          3.24        1.2498    0   0  10         1
                76.97          9.65        1.2389    3   2   4        12
                78.19          1.82        1.2225    1   0  10         6
                78.24          1.19        1.2218    3   0   8         6
                80.98          1.47        1.1873    4   1   4        12
                81.77          2.42        1.1778    2   1   9        12
                82.19          3.23        1.1729    1   1  10         6
                84.17          1.97        1.1502    2   0  10         6
                84.93          8.16        1.1418    4   1   5        12
                85.80          1.98        1.1326    3   2   6        12
                85.84          2.35        1.1320    3   3   0         6
                88.89          3.75        1.1010    5   0   4         6
                89.74          9.31        1.0928    4   1   6        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.