Weeksite Jackson J M, Burns P C The Canadian Mineralogist 39 (2001) 187-195 A re-evaluation of the structure of weeksite, a uranyl silicate framework mineral _database_code_amcsd 0005712 CELL PARAMETERS: 14.2090 14.2480 35.8690 90.000 90.000 90.000 SPACE GROUP: Cmmb X-RAY WAVELENGTH: 1.541838 Cell Volume: 7261.673 Density (g/cm3): 3.647 MAX. ABS. INTENSITY / VOLUME**2: 71.24468358 RIR: 6.361 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.86 53.29 8.9672 0 0 4 2 11.49 1.06 7.6982 1 1 3 8 12.42 100.00 7.1240 0 2 0 2 15.17 2.20 5.8410 1 1 5 8 15.89 40.48 5.5780 0 2 4 4 18.32 14.63 4.8436 2 2 2 8 19.41 29.06 4.5742 2 0 6 4 19.80 3.13 4.4836 0 0 8 2 23.11 28.81 3.8491 2 2 6 8 25.00 19.76 3.5620 0 4 0 2 25.07 26.48 3.5522 4 0 0 2 26.93 26.48 3.3104 0 4 4 4 27.00 6.40 3.3026 4 0 4 4 27.86 27.14 3.2019 2 0 10 4 28.07 36.51 3.1790 4 2 0 4 28.47 4.01 3.1352 2 4 2 8 29.82 19.33 2.9963 4 2 4 8 29.89 6.46 2.9891 0 0 12 2 30.61 45.85 2.9205 2 2 10 8 31.84 4.45 2.8104 2 4 6 8 32.15 1.24 2.7843 4 0 8 4 35.70 6.53 2.5153 4 4 0 4 37.12 5.20 2.4218 4 4 4 8 37.31 8.41 2.4101 2 0 14 4 37.78 11.11 2.3813 2 4 10 8 37.89 4.45 2.3747 0 6 0 2 38.34 1.17 2.3478 6 0 2 4 39.25 5.28 2.2955 0 6 4 4 39.35 2.22 2.2897 0 4 12 4 39.47 9.11 2.2830 2 2 14 8 40.23 3.83 2.2418 0 0 16 2 40.36 1.90 2.2346 2 6 2 8 40.45 1.13 2.2298 6 2 2 8 40.99 9.78 2.2017 6 0 6 4 41.47 1.52 2.1776 4 2 12 8 42.26 4.38 2.1384 0 2 16 4 42.91 7.82 2.1076 2 6 6 8 43.00 4.67 2.1035 6 2 6 8 45.44 7.66 1.9961 2 4 14 8 45.92 11.25 1.9763 6 0 10 4 45.97 5.90 1.9742 4 6 0 4 46.32 2.25 1.9603 6 4 2 8 47.14 7.59 1.9280 4 6 4 8 47.68 7.62 1.9074 2 6 10 8 47.76 11.15 1.9044 6 2 10 8 47.95 4.55 1.8973 0 4 16 4 47.99 2.31 1.8958 4 0 16 4 48.62 6.71 1.8728 6 4 6 8 49.77 5.44 1.8321 4 2 16 8 50.92 3.54 1.7934 0 0 20 2 51.30 5.05 1.7810 0 8 0 2 51.45 3.14 1.7761 8 0 0 2 52.38 2.79 1.7469 0 8 4 4 52.52 2.00 1.7423 8 0 4 4 52.62 3.46 1.7392 0 2 20 4 52.63 2.42 1.7391 6 0 14 4 52.99 7.92 1.7281 6 4 10 8 53.15 4.97 1.7234 8 2 0 4 54.20 2.78 1.6924 8 2 4 8 54.23 6.51 1.6915 2 6 14 8 54.30 4.22 1.6895 6 2 14 8 54.86 1.15 1.6736 4 4 16 8 55.36 3.73 1.6596 2 8 6 8 56.45 1.10 1.6301 0 6 16 4 57.04 2.17 1.6145 6 6 6 8 57.54 1.55 1.6019 0 4 20 4 57.57 3.18 1.6010 4 0 20 4 57.92 2.54 1.5921 4 8 0 4 58.03 2.71 1.5895 8 4 0 4 58.92 2.70 1.5676 4 8 4 8 59.02 1.50 1.5651 8 4 4 8 59.12 3.31 1.5628 6 4 14 8 59.15 4.06 1.5620 4 2 20 8 59.38 3.66 1.5564 2 8 10 8 59.61 1.55 1.5510 2 2 22 8 60.51 1.01 1.5300 0 8 12 4 61.00 3.65 1.5190 6 6 10 8 62.71 2.05 1.4816 4 6 16 8 63.61 1.30 1.4627 0 2 24 4 63.73 2.78 1.4603 4 4 20 8 65.12 3.85 1.4324 2 8 14 8 65.19 1.76 1.4312 0 6 20 4 65.64 1.46 1.4223 8 6 0 4 66.44 1.08 1.4071 0 10 4 4 66.57 2.45 1.4047 8 6 4 8 66.66 3.08 1.4031 6 6 14 8 67.12 1.27 1.3945 0 8 16 4 67.25 1.18 1.3922 8 0 16 4 67.66 3.53 1.3847 6 8 6 8 68.70 1.48 1.3663 8 2 16 8 69.04 1.32 1.3603 2 10 6 8 69.23 1.52 1.3571 10 2 6 8 69.40 1.05 1.3543 2 0 26 4 69.50 1.29 1.3525 4 2 24 8 70.82 1.13 1.3305 2 2 26 8 71.01 2.05 1.3275 4 6 20 8 71.28 3.37 1.3230 6 8 10 8 71.32 1.57 1.3224 4 10 0 4 71.40 1.85 1.3210 10 0 10 4 72.21 1.56 1.3082 4 10 4 8 72.63 2.82 1.3017 2 10 10 8 72.82 2.77 1.2989 10 2 10 8 72.87 1.17 1.2981 4 8 16 8 73.74 1.58 1.2848 4 4 24 8 75.18 1.36 1.2637 0 8 20 4 75.61 1.09 1.2576 8 8 0 4 76.49 1.61 1.2454 8 8 4 8 76.57 1.97 1.2443 6 8 14 8 76.69 1.96 1.2426 8 2 20 8 78.07 1.11 1.2241 10 2 14 8 79.87 1.01 1.2010 8 6 16 8 80.63 1.13 1.1916 4 6 24 8 80.70 1.56 1.1906 4 8 20 8 80.79 1.58 1.1895 8 4 20 8 82.15 1.57 1.1733 10 4 14 8 82.60 1.10 1.1681 12 2 0 4 83.02 1.32 1.1632 2 2 30 8 83.68 1.40 1.1558 6 10 10 8 83.79 1.60 1.1544 10 6 10 8 85.19 1.15 1.1390 4 10 16 8 86.64 1.04 1.1236 12 4 0 4 87.06 1.26 1.1193 2 4 30 8 87.54 1.02 1.1144 8 6 20 8 87.65 1.06 1.1133 2 12 10 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.