Marcasite
      Rieder M, Crelling J C, Sustai O, Drabek M, Weiss Z, Klementova M
      International Journal of Coal Geology 71 (2007) 115-121
      Arsenic in iron disulfides in a brown coal from the North Bohemian Basin,
      Czech Republic
      Locality: synthetic
      Sample: As-free marcasite
      _database_code_amcsd 0012726

      CELL PARAMETERS:    4.4446   5.4246   3.3864   90.000   90.000   90.000
      SPACE GROUP: Pnnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     81.647
      Density (g/cm3):      4.879
      MAX. ABS. INTENSITY / VOLUME**2:      35.44054728    
      RIR:      2.365
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.92         62.04        3.4380    1   1   0         4
                31.13          2.10        2.8726    0   1   1         4
                33.03         31.23        2.7123    0   2   0         2
                33.26        100.00        2.6936    1   0   1         4
                37.27         41.61        2.4126    1   1   1         8
                38.90         37.63        2.3152    1   2   0         4
                44.03          4.38        2.0564    2   1   0         4
                47.58         35.17        1.9113    1   2   1         8
                52.03         66.33        1.7577    2   1   1         8
                53.29         10.30        1.7190    2   2   0         4
                54.17         23.20        1.6932    0   0   2         2
                54.81         15.01        1.6749    1   3   0         4
                57.80         24.36        1.5951    0   3   1         4
                60.39          5.79        1.5328    2   2   1         8
                61.00          7.48        1.5190    1   1   2         8
                61.79          8.08        1.5013    1   3   1         8
                64.92          5.69        1.4363    0   2   2         4
                65.29         13.78        1.4292    3   1   0         4
                66.69          1.15        1.4026    2   3   0         4
                68.68          9.64        1.3667    1   2   2         8
                71.67          1.54        1.3167    3   1   1         8
                72.28          1.45        1.3071    2   1   2         8
                72.73          1.53        1.3002    3   2   0         4
                78.86          4.29        1.2138    3   2   1         8
                79.05          1.89        1.2113    1   4   1         8
                79.45          4.16        1.2063    2   2   2         8
                80.70          6.62        1.1907    1   3   2         8
                83.51          7.42        1.1576    2   4   0         4
                87.86          1.54        1.1112    4   0   0         2
                89.60          2.83        1.0941    1   0   3         4
                89.80          8.74        1.0921    3   1   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.