Calcite
      Antao S M, Hassan I
      The Canadian Mineralogist 48 (2010) 1225-1236
      Temperature dependence of the structural parameters
      in the transformation of aragonite to calcite,
      as determined from in situ synchrotron powder X-ray-diffraction data
      Locality: Cuenca, Spain
      Note: T = 702 C
      Note: P = 101 kPa
      _database_code_amcsd 0017869

      CELL PARAMETERS:    4.9742   4.9742  17.4676   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    374.292
      Density (g/cm3):      2.664
      MAX. ABS. INTENSITY / VOLUME**2:      23.36009872    
      RIR:      2.855
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.02          7.97        3.8634    0   1   2         6
                29.12        100.00        3.0668    1   0   4         6
                30.71          1.38        2.9113    0   0   6         2
                36.11         14.26        2.4871    1   1   0         6
                39.40         12.28        2.2872    1   1   3        12
                43.26         12.12        2.0912    2   0   2         6
                46.64         16.00        1.9476    0   1   8         6
                47.04          5.35        1.9317    0   2   4         6
                48.12         15.53        1.8910    1   1   6        12
                56.79          1.74        1.6212    2   1   1        12
                57.59          6.97        1.6006    1   2   2        12
                60.37          1.87        1.5334    2   0   8         6
                60.51          1.14        1.5301    1   1   9        12
                60.71          3.61        1.5256    2   1   4        12
                63.96          2.02        1.4556    0   0  12         2
                64.94          3.05        1.4359    3   0   0         6
                69.25          1.39        1.3567    0   2  10         6
                72.40          1.62        1.3052    1   2   8        12
                75.71          1.34        1.2563    1   1  12        12
                80.67          1.30        1.1910    2   1  10        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.