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 = 434 C Note: P = 101 kPa _database_code_amcsd 0017846 CELL PARAMETERS: 4.9750 8.0446 5.8329 90.000 90.000 90.000 SPACE GROUP: Pmcn X-RAY WAVELENGTH: 1.541838 Cell Volume: 233.444 Density (g/cm3): 2.847 MAX. ABS. INTENSITY / VOLUME**2: 10.00050397 RIR: 1.144 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 21.00 1.79 4.2312 1 1 0 4 22.10 2.18 4.0223 0 2 0 2 26.02 100.00 3.4250 1 1 1 8 26.93 50.76 3.3113 0 2 1 4 30.65 4.04 2.9165 0 0 2 2 32.48 7.45 2.7565 1 2 1 8 32.66 46.97 2.7418 0 1 2 4 35.69 19.17 2.5160 1 0 2 4 36.11 15.92 2.4875 2 0 0 2 36.89 10.18 2.4364 0 3 1 4 37.45 44.38 2.4013 1 1 2 8 38.11 15.78 2.3611 0 2 2 4 38.12 26.29 2.3605 1 3 0 4 41.01 10.45 2.2008 2 1 1 8 42.74 17.10 2.1156 2 2 0 4 45.08 2.60 2.0111 0 4 0 2 45.61 58.19 1.9888 2 2 1 8 47.84 25.45 1.9013 0 4 1 4 48.08 11.68 1.8926 2 0 2 4 49.47 2.13 1.8423 2 1 2 8 49.69 25.35 1.8348 1 3 2 8 51.45 2.33 1.7760 1 4 1 8 51.74 25.92 1.7667 1 1 3 8 52.26 10.93 1.7505 0 2 3 4 52.58 4.44 1.7406 2 3 1 8 53.51 2.64 1.7125 2 2 2 8 55.50 3.22 1.6557 0 4 2 4 56.67 1.75 1.6242 3 1 0 4 59.04 5.49 1.5647 3 1 1 8 59.07 1.70 1.5639 2 4 0 4 59.61 1.86 1.5510 0 5 1 4 61.37 4.32 1.5106 2 4 1 8 62.65 1.95 1.4828 3 2 1 8 62.75 5.92 1.4807 1 5 1 8 65.00 2.13 1.4348 0 1 4 4 65.82 3.10 1.4190 3 1 2 8 66.27 2.51 1.4104 3 3 0 4 68.00 3.03 1.3786 1 1 4 8 68.02 2.89 1.3783 2 4 2 8 68.44 1.57 1.3709 0 2 4 4 69.33 2.23 1.3555 1 5 2 8 70.20 1.66 1.3408 0 6 0 2 74.77 5.40 1.2697 3 3 2 8 75.59 3.51 1.2580 2 0 4 4 76.41 6.29 1.2465 3 1 3 8 76.61 3.54 1.2437 4 0 0 2 76.84 5.31 1.2406 1 3 4 8 78.49 4.78 1.2186 2 4 3 8 78.52 1.65 1.2182 0 6 2 4 79.73 4.99 1.2028 1 5 3 8 81.56 5.11 1.1802 2 6 0 4 82.92 2.48 1.1643 4 2 1 8 85.78 2.83 1.1328 3 5 1 8 86.55 1.61 1.1246 1 1 5 8 86.95 1.31 1.1204 0 2 5 4 89.02 1.22 1.0997 1 7 1 8 89.60 1.25 1.0940 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.