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 = 398 C
      Note: P = 101 kPa
      _database_code_amcsd 0017844

      CELL PARAMETERS:    4.9731   8.0384   5.8236   90.000   90.000   90.000
      SPACE GROUP: Pmcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    232.803
      Density (g/cm3):      2.855
      MAX. ABS. INTENSITY / VOLUME**2:      10.04536449    
      RIR:      1.146
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.01          1.67        4.2292    1   1   0         4
                22.12          2.22        4.0192    0   2   0         2
                26.04        100.00        3.4220    1   1   1         8
                26.95         50.71        3.3079    0   2   1         4
                30.71          4.16        2.9118    0   0   2         2
                32.51          7.51        2.7542    1   2   1         8
                32.71         47.29        2.7377    0   1   2         4
                35.73         18.84        2.5128    1   0   2         4
                36.12         15.94        2.4866    2   0   0         2
                36.93         10.16        2.4342    0   3   1         4
                37.50         44.49        2.3983    1   1   2         8
                38.15         26.39        2.3589    1   3   0         4
                38.17         15.64        2.3580    0   2   2         4
                41.03         10.60        2.1995    2   1   1         8
                42.76         17.28        2.1146    2   2   0         4
                45.12          2.62        2.0096    0   4   0         2
                45.64         58.88        1.9876    2   2   1         8
                47.88         25.68        1.8997    0   4   1         4
                48.12         11.67        1.8909    2   0   2         4
                49.52          2.18        1.8407    2   1   2         8
                49.75         25.60        1.8329    1   3   2         8
                51.50          2.30        1.7746    1   4   1         8
                51.82         26.19        1.7642    1   1   3         8
                52.34         11.00        1.7480    0   2   3         4
                52.62          4.48        1.7394    2   3   1         8
                53.56          2.69        1.7110    2   2   2         8
                55.56          3.29        1.6539    0   4   2         4
                56.70          1.74        1.6235    3   1   0         4
                59.07          5.59        1.5639    3   1   1         8
                59.11          1.74        1.5630    2   4   0         4
                59.66          1.88        1.5497    0   5   1         4
                61.42          4.33        1.5095    2   4   1         8
                62.69          1.94        1.4820    3   2   1         8
                62.81          6.06        1.4795    1   5   1         8
                65.11          2.09        1.4326    0   1   4         4
                65.87          3.20        1.4180    3   1   2         8
                66.30          2.57        1.4097    3   3   0         4
                68.08          2.96        1.3771    2   4   2         8
                68.11          3.06        1.3766    1   1   4         8
                68.55          1.60        1.3689    0   2   4         4
                69.40          2.26        1.3542    1   5   2         8
                70.26          1.70        1.3397    0   6   0         2
                74.83          5.51        1.2688    3   3   2         8
                75.70          3.63        1.2564    2   0   4         4
                76.49          6.41        1.2454    3   1   3         8
                76.64          3.65        1.2433    4   0   0         2
                76.96          5.43        1.2389    1   3   4         8
                78.58          4.88        1.2174    2   4   3         8
                78.60          1.68        1.2171    0   6   2         4
                79.83          5.10        1.2015    1   5   3         8
                81.63          5.23        1.1794    2   6   0         4
                82.97          2.54        1.1638    4   2   1         8
                85.84          2.91        1.1321    3   5   1         8
                86.71          1.65        1.1229    1   1   5         8
                87.12          1.37        1.1187    0   2   5         4
                89.11          1.25        1.0988    1   7   1         8
                89.69          1.30        1.0932    2   6   2         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.