Ancylite-(Ce) dal Negro A, Rossi G, Tazzoli V American Mineralogist 60 (1975) 280-284 The crystal structure of ancylite, (RE)x(Ca,Sr)2-x(CO3)2(OH)x(2-x)H2O Locality: Mont St. Hilaire, Quebec, Canada _database_code_amcsd 0000454 CELL PARAMETERS: 5.0300 8.5200 7.2900 90.000 90.000 90.000 SPACE GROUP: Pmcn X-RAY WAVELENGTH: 1.541838 Cell Volume: 312.417 Density (g/cm3): 4.157 MAX. ABS. INTENSITY / VOLUME**2: 31.49870709 RIR: 2.467 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.00 49.91 5.5391 0 1 1 4 20.50 100.00 4.3315 1 1 0 4 20.85 30.84 4.2600 0 2 0 2 23.90 68.43 3.7238 1 1 1 8 24.20 47.42 3.6781 0 2 1 4 24.42 14.31 3.6450 0 0 2 2 26.60 40.01 3.3512 0 1 2 4 30.10 19.11 2.9690 1 2 1 8 30.28 84.47 2.9515 1 0 2 4 32.32 7.75 2.7696 0 2 2 4 33.87 36.92 2.6463 0 3 1 4 35.70 35.08 2.5150 2 0 0 2 36.33 5.20 2.4730 1 3 0 4 37.06 19.65 2.4261 1 2 2 8 38.44 53.38 2.3420 1 3 1 8 38.53 32.67 2.3368 0 1 3 4 39.35 1.06 2.2900 2 1 1 8 41.70 9.46 2.1657 2 2 0 4 42.44 16.27 2.1300 0 4 0 2 42.66 5.43 2.1193 1 1 3 8 42.84 1.68 2.1107 0 2 3 4 43.60 58.67 2.0761 2 2 1 8 43.73 2.05 2.0701 2 0 2 4 44.30 12.86 2.0445 0 4 1 4 45.07 48.44 2.0115 2 1 2 8 46.67 32.77 1.9463 1 2 3 8 48.04 12.35 1.8940 1 4 1 8 48.92 3.70 1.8619 2 2 2 8 49.36 30.33 1.8464 0 3 3 4 50.03 11.84 1.8230 2 3 1 8 50.05 7.13 1.8225 0 0 4 2 51.26 2.98 1.7822 0 1 4 4 52.82 6.05 1.7333 1 3 3 8 53.02 12.64 1.7272 1 4 2 8 53.48 6.41 1.7135 1 0 4 4 53.53 7.92 1.7119 2 1 3 8 54.63 15.31 1.6799 1 1 4 8 54.79 1.70 1.6756 0 2 4 4 54.88 1.73 1.6728 2 3 2 8 55.89 9.31 1.6451 3 1 0 4 56.63 3.38 1.6254 2 4 0 4 56.96 3.90 1.6168 2 2 3 8 57.07 8.18 1.6139 1 5 0 4 57.42 3.22 1.6048 3 1 1 8 58.02 1.01 1.5897 1 2 4 8 58.15 9.49 1.5864 2 4 1 8 59.92 7.04 1.5436 0 5 2 4 60.68 5.83 1.5262 1 4 3 8 60.70 4.83 1.5256 3 2 1 8 60.81 7.16 1.5232 3 0 2 4 62.39 16.21 1.4883 2 3 3 8 62.99 2.45 1.4758 2 0 4 4 62.99 1.03 1.4757 1 5 2 8 64.03 5.38 1.4541 2 1 4 8 64.54 1.15 1.4438 3 3 0 4 65.03 3.23 1.4343 3 2 2 8 65.76 3.73 1.4200 0 6 0 2 65.96 7.87 1.4163 3 3 1 8 67.12 1.88 1.3945 2 2 4 8 67.64 2.35 1.3850 2 5 1 8 67.66 3.02 1.3848 0 4 4 4 67.82 4.06 1.3818 1 1 5 8 67.95 2.45 1.3794 0 2 5 4 70.54 1.84 1.3351 1 4 4 8 71.27 1.29 1.3231 0 6 2 4 71.74 12.87 1.3156 2 5 2 8 71.92 10.53 1.3129 3 2 3 8 72.97 2.79 1.2965 3 4 1 8 74.09 9.95 1.2796 1 6 2 8 75.62 4.83 1.2575 4 0 0 2 75.73 11.77 1.2560 1 3 5 8 76.79 1.37 1.2413 3 3 3 8 76.95 2.37 1.2390 3 4 2 8 77.14 4.92 1.2365 2 6 0 4 77.33 1.43 1.2339 3 0 4 4 78.29 5.74 1.2212 3 1 4 8 78.38 1.72 1.2200 2 5 3 8 78.77 2.00 1.2150 0 0 6 2 78.92 1.10 1.2131 2 4 4 8 79.20 8.12 1.2095 2 2 5 8 79.29 6.35 1.2083 1 5 4 8 79.47 1.03 1.2061 4 2 0 4 79.70 2.54 1.2031 0 4 5 4 79.72 1.06 1.2028 0 1 6 4 79.90 1.31 1.2005 0 7 1 4 80.34 3.52 1.1951 3 5 0 4 80.77 3.59 1.1899 4 2 1 8 81.33 1.12 1.1830 1 7 0 4 81.50 2.43 1.1810 1 0 6 4 81.81 3.95 1.1773 4 1 2 8 82.35 1.61 1.1710 2 6 2 8 82.45 3.24 1.1698 1 1 6 8 82.63 2.53 1.1677 1 7 1 8 83.46 2.36 1.1582 3 4 3 8 83.79 2.39 1.1545 0 7 2 4 85.49 3.27 1.1358 4 3 1 8 86.98 2.28 1.1201 0 6 4 4 87.43 2.08 1.1156 2 5 4 8 88.24 3.08 1.1073 4 1 3 8 89.60 1.53 1.0940 2 0 6 4 89.67 1.43 1.0934 1 6 4 8 89.91 1.31 1.0911 3 1 5 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.