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 = 599 C
      Note: P = 101 kPa
      _database_code_amcsd 0017864

      CELL PARAMETERS:    4.9766   4.9766  17.3757   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    372.682
      Density (g/cm3):      2.675
      MAX. ABS. INTENSITY / VOLUME**2:      23.94265679    
      RIR:      2.914
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.04          8.00        3.8609    0   1   2         6
                29.19        100.00        3.0595    1   0   4         6
                30.88          1.58        2.8960    0   0   6         2
                36.10         14.09        2.4883    1   1   0         6
                39.41         13.73        2.2862    1   1   3        12
                43.26         12.58        2.0916    2   0   2         6
                46.84         16.61        1.9396    0   1   8         6
                47.07          5.45        1.9304    0   2   4         6
                48.22         16.37        1.8873    1   1   6        12
                56.76          2.07        1.6219    2   1   1        12
                57.57          7.41        1.6011    1   2   2        12
                60.52          1.93        1.5298    2   0   8         6
                60.72          1.42        1.5253    1   1   9        12
                60.72          3.84        1.5253    2   1   4        12
                63.02          1.11        1.4750    1   2   5        12
                64.34          2.29        1.4480    0   0  12         2
                64.91          3.56        1.4366    3   0   0         6
                69.49          1.51        1.3526    0   2  10         6
                72.54          1.76        1.3032    1   2   8        12
                76.05          1.41        1.2515    1   1  12        12
                80.89          1.46        1.1884    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.