Siderite
      Lavina B, Dera P, Downs R T, Yang W, Sinogeikin S, Meng Y, Shen G, Schiferl D
      Physical Review B82 (2010)  064110-8
      Structure of siderite FeCO3 to 56 GPa and hysteresis of its spin-pairing transition
      Locality: Invigtut, Greenland
      Note: run P11, P = 36.3 GPa
      _database_code_amcsd 0017572

      CELL PARAMETERS:    4.5270   4.5270  13.5700   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    240.842
      Density (g/cm3):      4.792
      MAX. ABS. INTENSITY / VOLUME**2:      51.87985379    
      RIR:      3.525
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                26.25         44.75        3.3946    0   1   2         6
                34.98        100.00        2.5654    1   0   4         6
                39.83         24.66        2.2635    1   1   0         6
                44.77         18.39        2.0242    1   1   3        12
                48.33         21.96        1.8832    2   0   2         6
                54.03         11.82        1.6973    0   2   4         6
                57.61         28.20        1.5999    1   1   6        12
                59.37         16.04        1.5568    0   1   8         6
                63.11          1.74        1.4731    2   1   1        12
                64.35         13.78        1.4477    1   2   2        12
                69.18         11.22        1.3579    2   1   4        12
                72.30         11.68        1.3068    3   0   0         6
                73.89          3.97        1.2827    2   0   8         6
                73.91          2.19        1.2824    1   0  10         6
                75.81          1.91        1.2549    1   1   9        12
                85.96          2.71        1.1308    0   0  12         2
                87.39          5.32        1.1160    1   2   8        12
                87.41          2.63        1.1157    0   2  10         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.