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 = 318 C
      Note: P = 101 kPa
      _database_code_amcsd 0017850

      CELL PARAMETERS:    4.9780   4.9780  17.2110   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    369.357
      Density (g/cm3):      2.699
      MAX. ABS. INTENSITY / VOLUME**2:      24.47886130    
      RIR:      2.953
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.07         13.36        3.8544    0   1   2         6
                29.33        100.00        3.0454    1   0   4         6
                36.09         15.98        2.4890    1   1   0         6
                39.46         15.57        2.2834    1   1   3        12
                43.27         15.91        2.0909    2   0   2         6
                47.16          7.94        1.9272    0   2   4         6
                47.22         19.03        1.9250    0   1   8         6
                48.42         23.29        1.8799    1   1   6        12
                56.75          1.76        1.6222    2   1   1        12
                57.57         10.76        1.6010    1   2   2        12
                57.67          2.20        1.5984    1   0  10         6
                60.78          7.27        1.5238    2   1   4        12
                60.83          3.41        1.5227    2   0   8         6
                61.11          1.57        1.5164    1   1   9        12
                64.89          6.21        1.4370    3   0   0         6
                65.03          3.02        1.4342    0   0  12         2
                69.95          2.73        1.3450    0   2  10         6
                72.81          3.96        1.2989    1   2   8        12
                76.68          3.06        1.2427    1   1  12        12
                81.31          3.13        1.1833    2   1  10        12
                84.01          1.38        1.1520    1   3   4        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.