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 = 477 C
      Note: P = 101 kPa
      _database_code_amcsd 0017858

      CELL PARAMETERS:    4.9775   4.9775  17.2949   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    371.083
      Density (g/cm3):      2.687
      MAX. ABS. INTENSITY / VOLUME**2:      24.91701289    
      RIR:      3.020
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.05          8.20        3.8579    0   1   2         6
                29.26        100.00        3.0527    1   0   4         6
                31.03          1.72        2.8825    0   0   6         2
                36.09         14.16        2.4887    1   1   0         6
                39.44         15.28        2.2849    1   1   3        12
                43.26         13.38        2.0913    2   0   2         6
                47.02         17.72        1.9325    0   1   8         6
                47.11          5.80        1.9289    0   2   4         6
                48.31         17.92        1.8838    1   1   6        12
                56.75          2.46        1.6221    2   1   1        12
                57.57          8.31        1.6011    1   2   2        12
                60.67          2.17        1.5263    2   0   8         6
                60.75          4.41        1.5246    2   1   4        12
                60.91          1.80        1.5210    1   1   9        12
                63.07          1.37        1.4739    1   2   5        12
                64.67          2.74        1.4412    0   0  12         2
                64.89          4.43        1.4369    3   0   0         6
                69.71          1.80        1.3489    0   2  10         6
                72.67          2.13        1.3011    1   2   8        12
                76.36          1.68        1.2472    1   1  12        12
                81.09          1.84        1.1859    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.