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 = 519 C
      Note: P = 101 kPa
      _database_code_amcsd 0017860

      CELL PARAMETERS:    4.9773   4.9773  17.3231   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    371.658
      Density (g/cm3):      2.683
      MAX. ABS. INTENSITY / VOLUME**2:      24.36832613    
      RIR:      2.958
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.05          8.06        3.8590    0   1   2         6
                29.23        100.00        3.0551    1   0   4         6
                30.97          1.67        2.8872    0   0   6         2
                36.09         14.07        2.4887    1   1   0         6
                39.43         14.55        2.2854    1   1   3        12
                43.26         12.92        2.0915    2   0   2         6
                46.96         17.05        1.9350    0   1   8         6
                47.10          5.57        1.9295    0   2   4         6
                48.28         17.00        1.8850    1   1   6        12
                56.75          2.27        1.6220    2   1   1        12
                57.56          7.77        1.6011    1   2   2        12
                60.62          2.01        1.5276    2   0   8         6
                60.74          4.05        1.5249    2   1   4        12
                60.84          1.60        1.5225    1   1   9        12
                63.05          1.24        1.4743    1   2   5        12
                64.56          2.48        1.4436    0   0  12         2
                64.90          3.94        1.4368    3   0   0         6
                69.63          1.62        1.3502    0   2  10         6
                72.62          1.89        1.3019    1   2   8        12
                76.25          1.50        1.2487    1   1  12        12
                81.02          1.60        1.1868    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.