Calcite
      Markgraf S A, Reeder R J
      American Mineralogist 70 (1985) 590-600
      High-temperature structure refinements of calcite and magnesite
      Sample: T = 200 C
      _database_code_amcsd 0000985

      CELL PARAMETERS:    4.9840   4.9840  17.1210   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    368.312
      Density (g/cm3):      2.707
      MAX. ABS. INTENSITY / VOLUME**2:      26.24895389    
      RIR:      3.157
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.08          8.32        3.8541    0   1   2         6
                29.39        100.00        3.0392    1   0   4         6
                31.35          2.01        2.8535    0   0   6         2
                36.04         14.37        2.4920    1   1   0         6
                39.46         17.86        2.2838    1   1   3        12
                43.23         14.08        2.0927    2   0   2         6
                47.16          6.39        1.9270    0   2   4         6
                47.42         19.24        1.9174    0   1   8         6
                48.50         19.49        1.8770    1   1   6        12
                56.68          3.10        1.6240    2   1   1        12
                57.51          9.12        1.6026    1   2   2        12
                60.76          5.43        1.5244    2   1   4        12
                60.97          2.55        1.5196    2   0   8         6
                61.31          2.48        1.5121    1   1   9        12
                63.13          1.82        1.4728    1   2   5        12
                64.80          6.09        1.4388    3   0   0         6
                65.41          3.47        1.4268    0   0  12         2
                69.23          1.15        1.3572    2   1   7        12
                70.17          2.09        1.3413    0   2  10         6
                72.91          2.80        1.2974    1   2   8        12
                77.02          2.12        1.2382    1   1  12        12
                81.50          2.23        1.1811    2   1  10        12
                83.93          1.38        1.1529    1   3   4        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.