Aragonite
      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 = 258 C
      Note: P = 101 kPa
      _database_code_amcsd 0017837

      CELL PARAMETERS:    4.9664   8.0126   5.7898   90.000   90.000   90.000
      SPACE GROUP: Pmcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    230.398
      Density (g/cm3):      2.885
      MAX. ABS. INTENSITY / VOLUME**2:      10.18485033    
      RIR:      1.149
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.05          1.49        4.2213    1   1   0         4
                22.19          1.93        4.0063    0   2   0         2
                26.12        100.00        3.4110    1   1   1         8
                27.07         51.51        3.2945    0   2   1         4
                30.89          4.96        2.8949    0   0   2         2
                32.62          7.50        2.7454    1   2   1         8
                32.90         49.49        2.7227    0   1   2         4
                35.91         18.26        2.5010    1   0   2         4
                36.17         16.38        2.4832    2   0   0         2
                37.07          9.91        2.4253    0   3   1         4
                37.68         43.81        2.3874    1   1   2         8
                38.26         26.90        2.3523    1   3   0         4
                38.36         15.69        2.3464    0   2   2         4
                41.13         11.43        2.1949    2   1   1         8
                42.85         17.74        2.1106    2   2   0         4
                45.27          3.01        2.0031    0   4   0         2
                45.76         62.71        1.9830    2   2   1         8
                48.06         26.83        1.8931    0   4   1         4
                48.29         12.58        1.8848    2   0   2         4
                49.69          2.01        1.8347    2   1   2         8
                49.96         26.98        1.8256    1   3   2         8
                51.67          2.00        1.7689    1   4   1         8
                52.11         27.66        1.7552    1   1   3         8
                52.64         11.51        1.7387    0   2   3         4
                52.76          4.95        1.7350    2   3   1         8
                53.75          3.01        1.7055    2   2   2         8
                55.81          3.33        1.6472    0   4   2         4
                56.79          1.77        1.6212    3   1   0         4
                59.18          6.08        1.5612    3   1   1         8
                59.27          1.78        1.5591    2   4   0         4
                59.89          1.88        1.5445    0   5   1         4
                61.60          4.72        1.5055    2   4   1         8
                62.82          1.94        1.4792    3   2   1         8
                63.03          6.66        1.4748    1   5   1         8
                65.53          1.96        1.4244    0   1   4         4
                66.05          3.48        1.4145    3   1   2         8
                66.44          2.93        1.4071    3   3   0         4
                68.34          3.22        1.3727    2   4   2         8
                68.53          3.51        1.3692    1   1   4         8
                68.99          1.78        1.3613    0   2   4         4
                69.69          2.40        1.3493    1   5   2         8
                70.52          1.80        1.3354    0   6   0         2
                75.06          6.14        1.2655    3   3   2         8
                76.12          3.95        1.2505    2   0   4         4
                76.76          4.10        1.2416    4   0   0         2
                76.78          7.15        1.2414    3   1   3         8
                77.42          6.16        1.2328    1   3   4         8
                78.94          5.61        1.2128    2   4   3         8
                78.95          1.99        1.2126    0   6   2         4
                80.22          5.59        1.1966    1   5   3         8
                81.91          5.94        1.1761    2   6   0         4
                83.14          2.93        1.1618    4   2   1         8
                86.10          3.33        1.1293    3   5   1         8
                87.32          2.03        1.1167    1   1   5         8
                87.74          1.59        1.1124    0   2   5         4
                89.25          1.12        1.0974    4   2   2         8
                89.47          1.46        1.0953    1   7   1         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.