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 = 154 C Note: P = 101 kPa _database_code_amcsd 0017832 CELL PARAMETERS: 4.9614 7.9954 5.7668 90.000 90.000 90.000 SPACE GROUP: Pmcn X-RAY WAVELENGTH: 1.541838 Cell Volume: 228.760 Density (g/cm3): 2.906 MAX. ABS. INTENSITY / VOLUME**2: 10.27766042 RIR: 1.152 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 21.07 1.58 4.2157 1 1 0 4 22.24 1.71 3.9977 0 2 0 2 26.18 100.00 3.4033 1 1 1 8 27.14 52.03 3.2855 0 2 1 4 31.02 5.21 2.8834 0 0 2 2 32.69 7.77 2.7393 1 2 1 8 33.02 51.34 2.7124 0 1 2 4 36.03 18.58 2.4930 1 0 2 4 36.21 16.65 2.4807 2 0 0 2 37.16 9.93 2.4193 0 3 1 4 37.80 43.51 2.3800 1 1 2 8 38.34 27.13 2.3478 1 3 0 4 38.50 16.19 2.3386 0 2 2 4 41.19 12.25 2.1915 2 1 1 8 42.91 18.37 2.1079 2 2 0 4 45.37 3.23 1.9988 0 4 0 2 45.83 65.53 1.9797 2 2 1 8 48.18 27.95 1.8886 0 4 1 4 48.40 13.29 1.8805 2 0 2 4 49.81 1.96 1.8306 2 1 2 8 50.10 27.87 1.8206 1 3 2 8 51.80 1.90 1.7651 1 4 1 8 52.31 28.83 1.7490 1 1 3 8 52.85 11.85 1.7324 0 2 3 4 52.86 5.56 1.7320 2 3 1 8 53.88 3.20 1.7016 2 2 2 8 55.98 3.24 1.6427 0 4 2 4 56.85 1.78 1.6195 3 1 0 4 59.26 6.30 1.5592 3 1 1 8 59.38 1.74 1.5565 2 4 0 4 60.04 1.96 1.5409 0 5 1 4 61.73 4.98 1.5027 2 4 1 8 62.92 2.10 1.4772 3 2 1 8 63.18 6.90 1.4716 1 5 1 8 65.82 2.05 1.4188 0 1 4 4 66.18 3.62 1.4120 3 1 2 8 66.54 3.11 1.4052 3 3 0 4 68.51 3.31 1.3696 2 4 2 8 68.82 3.85 1.3641 1 1 4 8 69.28 1.94 1.3562 0 2 4 4 69.89 2.61 1.3460 1 5 2 8 70.69 1.86 1.3326 0 6 0 2 75.22 6.59 1.2632 3 3 2 8 76.41 4.15 1.2465 2 0 4 4 76.86 4.55 1.2404 4 0 0 2 76.99 7.83 1.2385 3 1 3 8 77.73 6.68 1.2286 1 3 4 8 79.18 6.33 1.2096 2 4 3 8 79.18 2.22 1.2096 0 6 2 4 80.49 5.93 1.1932 1 5 3 8 82.10 6.66 1.1739 2 6 0 4 83.27 3.18 1.1604 4 2 1 8 86.28 3.59 1.1274 3 5 1 8 87.73 2.27 1.1125 1 1 5 8 88.16 1.71 1.1082 0 2 5 4 89.42 1.27 1.0958 4 2 2 8 89.72 1.62 1.0929 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.