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 = 70 C Note: P = 101 kPa _database_code_amcsd 0017828 CELL PARAMETERS: 4.9576 7.9835 5.7503 90.000 90.000 90.000 SPACE GROUP: Pmcn X-RAY WAVELENGTH: 1.541838 Cell Volume: 227.591 Density (g/cm3): 2.921 MAX. ABS. INTENSITY / VOLUME**2: 10.34037729 RIR: 1.153 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 21.09 1.59 4.2116 1 1 0 4 22.27 1.52 3.9918 0 2 0 2 26.23 100.00 3.3978 1 1 1 8 27.20 52.42 3.2791 0 2 1 4 31.11 5.55 2.8751 0 0 2 2 32.74 7.85 2.7350 1 2 1 8 33.12 52.49 2.7051 0 1 2 4 36.11 19.15 2.4872 1 0 2 4 36.24 16.97 2.4788 2 0 0 2 37.23 10.22 2.4151 0 3 1 4 37.89 43.52 2.3746 1 1 2 8 38.39 27.54 2.3447 1 3 0 4 38.59 16.53 2.3330 0 2 2 4 41.24 12.76 2.1891 2 1 1 8 42.95 18.95 2.1058 2 2 0 4 45.44 3.41 1.9959 0 4 0 2 45.89 68.24 1.9774 2 2 1 8 48.27 29.14 1.8855 0 4 1 4 48.49 13.92 1.8774 2 0 2 4 49.90 1.99 1.8275 2 1 2 8 50.21 28.62 1.8171 1 3 2 8 51.88 1.93 1.7624 1 4 1 8 52.45 29.93 1.7446 1 1 3 8 52.93 5.91 1.7298 2 3 1 8 53.00 12.31 1.7279 0 2 3 4 53.97 3.41 1.6989 2 2 2 8 56.09 3.31 1.6396 0 4 2 4 56.90 1.84 1.6182 3 1 0 4 59.33 6.53 1.5577 3 1 1 8 59.46 1.71 1.5546 2 4 0 4 60.14 2.01 1.5385 0 5 1 4 61.82 5.28 1.5007 2 4 1 8 62.99 2.24 1.4757 3 2 1 8 63.29 7.23 1.4694 1 5 1 8 66.03 2.13 1.4148 0 1 4 4 66.28 3.79 1.4102 3 1 2 8 66.62 3.32 1.4039 3 3 0 4 68.63 3.52 1.3675 2 4 2 8 69.03 4.17 1.3605 1 1 4 8 69.50 2.06 1.3525 0 2 4 4 70.02 2.80 1.3436 1 5 2 8 70.81 1.95 1.3306 0 6 0 2 75.34 7.04 1.2615 3 3 2 8 76.62 4.40 1.2436 2 0 4 4 76.93 4.98 1.2394 4 0 0 2 77.14 8.51 1.2365 3 1 3 8 77.96 7.27 1.2256 1 3 4 8 78.67 1.00 1.2163 2 5 2 8 79.35 2.45 1.2075 0 6 2 4 79.36 6.94 1.2074 2 4 3 8 80.68 6.35 1.1909 1 5 3 8 82.23 7.38 1.1724 2 6 0 4 83.36 3.46 1.1594 4 2 1 8 85.27 1.06 1.1382 4 0 2 4 86.34 1.08 1.1268 4 1 2 8 86.41 3.92 1.1260 3 5 1 8 88.03 2.54 1.1094 1 1 5 8 88.47 1.85 1.1051 0 2 5 4 89.55 1.42 1.0945 4 2 2 8 89.89 1.78 1.0913 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.