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 = 135 C
      Note: P = 101 kPa
      _database_code_amcsd 0017831

      CELL PARAMETERS:    4.9605   7.9925   5.7629   90.000   90.000   90.000
      SPACE GROUP: Pmcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    228.480
      Density (g/cm3):      2.909
      MAX. ABS. INTENSITY / VOLUME**2:      10.27572045    
      RIR:      1.150
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.08          1.62        4.2147    1   1   0         4
                22.25          1.67        3.9962    0   2   0         2
                26.19        100.00        3.4020    1   1   1         8
                27.15         52.32        3.2839    0   2   1         4
                31.04          5.32        2.8814    0   0   2         2
                32.70          7.81        2.7383    1   2   1         8
                33.05         52.02        2.7107    0   1   2         4
                36.05         18.86        2.4916    1   0   2         4
                36.22         16.79        2.4802    2   0   0         2
                37.18         10.05        2.4183    0   3   1         4
                37.82         43.79        2.3787    1   1   2         8
                38.35         27.28        2.3471    1   3   0         4
                38.52         16.38        2.3372    0   2   2         4
                41.20         12.53        2.1909    2   1   1         8
                42.92         18.57        2.1074    2   2   0         4
                45.39          3.34        1.9981    0   4   0         2
                45.85         66.78        1.9792    2   2   1         8
                48.20         28.44        1.8879    0   4   1         4
                48.42         13.51        1.8798    2   0   2         4
                49.83          1.98        1.8298    2   1   2         8
                50.13         28.09        1.8198    1   3   2         8
                51.82          1.91        1.7644    1   4   1         8
                52.34         29.29        1.7480    1   1   3         8
                52.88          5.76        1.7315    2   3   1         8
                52.88         12.05        1.7313    0   2   3         4
                53.90          3.28        1.7010    2   2   2         8
                56.00          3.29        1.6420    0   4   2         4
                56.86          1.81        1.6192    3   1   0         4
                59.28          6.35        1.5588    3   1   1         8
                59.40          1.74        1.5560    2   4   0         4
                60.06          2.00        1.5403    0   5   1         4
                61.75          5.06        1.5022    2   4   1         8
                62.93          2.19        1.4769    3   2   1         8
                63.21          7.01        1.4711    1   5   1         8
                65.87          2.10        1.4179    0   1   4         4
                66.20          3.69        1.4116    3   1   2         8
                66.56          3.17        1.4049    3   3   0         4
                68.54          3.42        1.3691    2   4   2         8
                68.87          3.97        1.3633    1   1   4         8
                69.33          1.98        1.3553    0   2   4         4
                69.92          2.67        1.3454    1   5   2         8
                70.72          1.89        1.3321    0   6   0         2
                75.25          6.74        1.2628    3   3   2         8
                76.46          4.26        1.2458    2   0   4         4
                76.87          4.73        1.2401    4   0   0         2
                77.02          8.11        1.2381    3   1   3         8
                77.78          6.93        1.2279    1   3   4         8
                79.22          2.29        1.2091    0   6   2         4
                79.23          6.56        1.2091    2   4   3         8
                80.54          6.11        1.1927    1   5   3         8
                82.13          6.95        1.1735    2   6   0         4
                83.29          3.28        1.1602    4   2   1         8
                86.31          3.71        1.1271    3   5   1         8
                87.80          2.36        1.1118    1   1   5         8
                88.23          1.76        1.1074    0   2   5         4
                89.45          1.33        1.0955    4   2   2         8
                89.76          1.66        1.0925    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.