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 = 458 C
      Note: P = 101 kPa
      _database_code_amcsd 0017847

      CELL PARAMETERS:    4.9767   8.0486   5.8396   90.000   90.000   90.000
      SPACE GROUP: Pmcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    233.908
      Density (g/cm3):      2.842
      MAX. ABS. INTENSITY / VOLUME**2:      9.931189658    
      RIR:      1.138
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.99          1.97        4.2329    1   1   0         4
                22.09          2.38        4.0243    0   2   0         2
                26.00        100.00        3.4272    1   1   1         8
                26.91         51.34        3.3137    0   2   1         4
                30.62          3.98        2.9198    0   0   2         2
                32.46          7.33        2.7582    1   2   1         8
                32.62         47.45        2.7448    0   1   2         4
                35.65         19.52        2.5184    1   0   2         4
                36.10         15.94        2.4883    2   0   0         2
                36.87         10.21        2.4379    0   3   1         4
                37.42         44.67        2.4035    1   1   2         8
                38.08         15.96        2.3633    0   2   2         4
                38.11         26.28        2.3616    1   3   0         4
                40.99         10.39        2.2019    2   1   1         8
                42.72         16.82        2.1164    2   2   0         4
                45.06          2.68        2.0122    0   4   0         2
                45.59         58.12        1.9898    2   2   1         8
                47.81         25.26        1.9024    0   4   1         4
                48.04         11.75        1.8939    2   0   2         4
                49.44          2.07        1.8435    2   1   2         8
                49.65         25.07        1.8362    1   3   2         8
                51.42          2.37        1.7770    1   4   1         8
                51.69         25.70        1.7685    1   1   3         8
                52.20         10.93        1.7523    0   2   3         4
                52.55          4.49        1.7414    2   3   1         8
                53.47          2.58        1.7136    2   2   2         8
                55.46          3.22        1.6568    0   4   2         4
                56.65          1.76        1.6247    3   1   0         4
                59.01          5.37        1.5653    3   1   1         8
                59.04          1.73        1.5646    2   4   0         4
                59.57          1.93        1.5518    0   5   1         4
                61.34          4.24        1.5113    2   4   1         8
                62.62          1.99        1.4834    3   2   1         8
                62.71          5.79        1.4815    1   5   1         8
                64.92          2.18        1.4365    0   1   4         4
                65.78          3.04        1.4197    3   1   2         8
                66.24          2.45        1.4110    3   3   0         4
                67.92          3.05        1.3801    1   1   4         8
                67.97          2.87        1.3791    2   4   2         8
                68.35          1.54        1.3724    0   2   4         4
                69.28          2.14        1.3563    1   5   2         8
                70.16          1.64        1.3414    0   6   0         2
                74.72          5.30        1.2704    3   3   2         8
                75.50          3.42        1.2592    2   0   4         4
                76.35          6.21        1.2473    3   1   3         8
                76.58          3.49        1.2442    4   0   0         2
                76.75          5.24        1.2418    1   3   4         8
                78.42          4.68        1.2195    2   4   3         8
                78.46          1.62        1.2189    0   6   2         4
                79.65          5.01        1.2037    1   5   3         8
                81.52          5.05        1.1808    2   6   0         4
                82.88          2.44        1.1648    4   2   1         8
                85.73          2.76        1.1333    3   5   1         8
                86.43          1.58        1.1259    1   1   5         8
                86.84          1.26        1.1216    0   2   5         4
                88.97          1.17        1.1002    1   7   1         8
                89.54          1.19        1.0947    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.