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 = 578 C
      Note: P = 101 kPa
      _database_code_amcsd 0017863

      CELL PARAMETERS:    4.9767   4.9767  17.3610   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    372.382
      Density (g/cm3):      2.677
      MAX. ABS. INTENSITY / VOLUME**2:      24.07724114    
      RIR:      2.928
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.04          8.05        3.8603    0   1   2         6
                29.20        100.00        3.0583    1   0   4         6
                30.90          1.59        2.8935    0   0   6         2
                36.10         14.12        2.4883    1   1   0         6
                39.42         13.93        2.2860    1   1   3        12
                43.26         12.70        2.0915    2   0   2         6
                46.87         16.75        1.9383    0   1   8         6
                47.08          5.51        1.9302    0   2   4         6
                48.24         16.60        1.8866    1   1   6        12
                56.76          2.12        1.6219    2   1   1        12
                57.57          7.54        1.6011    1   2   2        12
                60.55          1.97        1.5291    2   0   8         6
                60.73          3.93        1.5251    2   1   4        12
                60.75          1.46        1.5246    1   1   9        12
                63.03          1.14        1.4748    1   2   5        12
                64.40          2.34        1.4468    0   0  12         2
                64.91          3.68        1.4366    3   0   0         6
                69.53          1.55        1.3519    0   2  10         6
                72.56          1.81        1.3028    1   2   8        12
                76.10          1.45        1.2507    1   1  12        12
                80.93          1.51        1.1879    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.