Rammelsbergite
      Kjekshus A, Rakke T, Andresen A
      Acta Chemica Scandinavica A28 (1974) 996-1000
      Compounds of the marcasite type crystal structure. IX. Structural data for
      FeAs2, FeSe2, NiAs2, NiSb2, and CuSe2
      Locality: synthetic
      _database_code_amcsd 0011937

      CELL PARAMETERS:    4.7582   5.7949   3.5440   90.000   90.000   90.000
      SPACE GROUP: Pnnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     97.720
      Density (g/cm3):      7.086
      MAX. ABS. INTENSITY / VOLUME**2:      83.52925703    
      RIR:      3.838
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.20         13.45        3.6774    1   1   0         4
                29.55         11.06        3.0234    0   1   1         4
                30.86          8.90        2.8974    0   2   0         2
                31.48         72.41        2.8423    1   0   1         4
                35.17        100.00        2.5518    1   1   1         8
                36.30         84.57        2.4747    1   2   0         4
                37.81          6.69        2.3791    2   0   0         2
                41.01         11.42        2.2008    2   1   0         4
                44.66         15.69        2.0290    1   2   1         8
                48.70         73.02        1.8697    2   1   1         8
                49.58          8.18        1.8387    2   2   0         4
                51.03         13.86        1.7898    1   3   0         4
                51.58         32.08        1.7720    0   0   2         2
                54.07         39.22        1.6961    0   3   1         4
                56.37         15.66        1.6321    2   2   1         8
                57.70         15.92        1.5976    1   3   1         8
                57.75          1.82        1.5963    1   1   2         8
                60.52         16.94        1.5298    3   1   0         4
                61.32          1.97        1.5117    0   2   2         4
                61.87          2.26        1.4996    2   3   0         4
                64.30          2.73        1.4487    0   4   0         2
                64.35          2.39        1.4477    3   0   1         4
                64.70         27.86        1.4407    1   2   2         8
                65.70          2.62        1.4211    2   0   2         4
                66.58          5.66        1.4045    3   1   1         8
                67.30          5.06        1.3913    3   2   0         4
                67.86          1.59        1.3810    2   3   1         8
                67.91          4.58        1.3802    2   1   2         8
                73.07          4.19        1.2950    3   2   1         8
                74.34          3.98        1.2759    2   2   2         8
                75.50          7.24        1.2592    1   3   2         8
                77.08         12.62        1.2374    2   4   0         4
                80.79          2.05        1.1896    4   0   0         2
                82.84          3.35        1.1653    4   1   0         4
                83.44          2.04        1.1585    3   3   1         8
                83.48         11.78        1.1580    3   1   2         8
                84.50          3.12        1.1465    1   0   3         4
                84.67          1.70        1.1447    2   3   2         8
                86.41          1.92        1.1261    1   5   0         4
                86.54          6.19        1.1247    1   1   3         8
                86.84          2.33        1.1216    0   4   2         4
                88.83          5.29        1.1016    0   5   1         4
                89.58          4.36        1.0943    3   2   2         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.