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 = 50 C
      Note: P = 101 kPa
      _database_code_amcsd 0017827

      CELL PARAMETERS:    4.9566   7.9808   5.7464   90.000   90.000   90.000
      SPACE GROUP: Pmcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    227.314
      Density (g/cm3):      2.924
      MAX. ABS. INTENSITY / VOLUME**2:      10.33064849    
      RIR:      1.150
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.10          1.61        4.2106    1   1   0         4
                22.28          1.47        3.9904    0   2   0         2
                26.24        100.00        3.3964    1   1   1         8
                27.21         52.25        3.2776    0   2   1         4
                31.13          5.69        2.8732    0   0   2         2
                32.76          7.89        2.7340    1   2   1         8
                33.14         53.01        2.7033    0   1   2         4
                36.13         19.35        2.4858    1   0   2         4
                36.25         16.99        2.4783    2   0   0         2
                37.25         10.30        2.4141    0   3   1         4
                37.91         43.37        2.3733    1   1   2         8
                38.40         27.55        2.3440    1   3   0         4
                38.61         16.51        2.3317    0   2   2         4
                41.25         12.91        2.1885    2   1   1         8
                42.96         19.10        2.1053    2   2   0         4
                45.46          3.43        1.9952    0   4   0         2
                45.91         68.81        1.9768    2   2   1         8
                48.29         29.45        1.8848    0   4   1         4
                48.51         13.91        1.8766    2   0   2         4
                49.92          2.02        1.8268    2   1   2         8
                50.23         28.65        1.8163    1   3   2         8
                51.90          1.94        1.7617    1   4   1         8
                52.48         30.07        1.7435    1   1   3         8
                52.95          6.00        1.7293    2   3   1         8
                53.03         12.33        1.7268    0   2   3         4
                54.00          3.46        1.6982    2   2   2         8
                56.12          3.29        1.6388    0   4   2         4
                56.91          1.83        1.6179    3   1   0         4
                59.34          6.50        1.5573    3   1   1         8
                59.48          1.67        1.5541    2   4   0         4
                60.17          2.02        1.5379    0   5   1         4
                61.84          5.27        1.5002    2   4   1         8
                63.00          2.28        1.4754    3   2   1         8
                63.32          7.20        1.4689    1   5   1         8
                66.08          2.13        1.4139    0   1   4         4
                66.30          3.81        1.4098    3   1   2         8
                66.63          3.32        1.4035    3   3   0         4
                68.66          3.52        1.3670    2   4   2         8
                69.08          4.22        1.3596    1   1   4         8
                69.55          2.09        1.3517    0   2   4         4
                70.06          2.84        1.3431    1   5   2         8
                70.84          1.94        1.3301    0   6   0         2
                75.37          7.05        1.2611    3   3   2         8
                76.67          4.42        1.2429    2   0   4         4
                76.94          5.06        1.2392    4   0   0         2
                77.18          8.59        1.2360    3   1   3         8
                78.01          7.31        1.2249    1   3   4         8
                78.70          1.05        1.2159    2   5   2         8
                79.39          2.45        1.2071    0   6   2         4
                79.40          7.01        1.2069    2   4   3         8
                80.73          6.35        1.1903    1   5   3         8
                82.26          7.50        1.1720    2   6   0         4
                83.38          3.45        1.1591    4   2   1         8
                85.30          1.06        1.1378    4   0   2         4
                86.37          1.12        1.1264    4   1   2         8
                86.44          3.92        1.1257    3   5   1         8
                88.11          2.55        1.1087    1   1   5         8
                88.54          1.86        1.1044    0   2   5         4
                89.58          1.44        1.0942    4   2   2         8
                89.93          1.78        1.0909    1   7   1         8
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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.