Wickenburgite Lam A E, Groat L A The Canadian Mineralogist 32 (1994) 525-532 The crystal structure of wickenburgite, Pb3CaAl[AlSi10O27](H2O)3, a sheet structure Sample: UBC refinement _database_code_amcsd 0005381 CELL PARAMETERS: 8.5600 8.5600 20.1900 90.000 90.000 120.000 SPACE GROUP: P31c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1281.193 Density (g/cm3): 3.861 MAX. ABS. INTENSITY / VOLUME**2: 86.56452441 RIR: 7.299 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.76 100.00 10.0950 0 0 2 1 11.94 4.12 7.4132 1 0 0 6 14.83 9.00 5.9751 1 0 2 6 17.57 5.91 5.0475 0 0 4 1 20.75 7.92 4.2800 1 1 0 3 21.30 3.00 4.1722 1 0 4 6 22.56 31.07 3.9405 2 -1 2 3 22.56 26.94 3.9405 1 1 2 3 24.01 2.42 3.7066 2 0 0 6 24.42 1.67 3.6457 2 0 1 6 25.60 3.53 3.4795 2 0 2 6 26.49 7.21 3.3650 0 0 6 1 27.32 40.81 3.2644 1 1 4 3 27.32 25.24 3.2644 2 -1 4 3 27.47 6.75 3.2467 2 0 3 6 29.14 2.96 3.0641 1 0 6 6 29.91 9.73 2.9876 2 0 4 6 31.94 16.99 2.8019 2 1 0 6 32.26 3.24 2.7753 3 -1 1 6 32.26 2.18 2.7753 2 1 1 6 32.80 8.26 2.7306 2 0 5 6 33.18 5.15 2.6999 3 -1 2 6 33.18 6.51 2.6999 2 1 2 6 33.33 1.09 2.6880 1 0 7 6 33.89 12.61 2.6453 1 1 6 3 33.89 8.10 2.6453 2 -1 6 3 35.57 4.96 2.5238 0 0 8 1 36.05 1.73 2.4914 2 0 6 6 36.36 9.30 2.4711 3 0 0 6 36.68 4.30 2.4498 3 -1 4 6 36.68 11.66 2.4498 2 1 4 6 37.47 4.77 2.4002 3 0 2 6 37.65 1.79 2.3891 1 0 8 6 38.82 1.37 2.3196 3 0 3 6 39.13 1.11 2.3020 3 -1 5 6 40.65 3.15 2.2194 3 0 4 6 41.54 3.40 2.1740 1 1 8 3 41.54 5.77 2.1740 2 -1 8 3 41.96 2.18 2.1532 3 -1 6 6 41.96 4.48 2.1532 2 1 6 6 42.23 2.42 2.1400 2 2 0 3 43.22 1.59 2.0935 4 -2 2 3 43.22 1.71 2.0935 2 2 2 3 43.38 1.10 2.0861 2 0 8 6 44.04 2.66 2.0560 3 1 0 6 44.28 3.78 2.0455 4 -1 1 6 44.28 3.20 2.0455 3 1 1 6 44.89 2.98 2.0190 0 0 10 1 45.00 2.26 2.0147 4 -1 2 6 45.00 3.03 2.0147 3 1 2 6 45.54 4.95 1.9917 3 0 6 6 46.17 2.27 1.9663 3 1 3 6 46.17 2.31 1.9663 4 -1 3 6 47.77 1.86 1.9041 4 -1 4 6 48.55 4.19 1.8752 3 -1 8 6 48.55 2.21 1.8752 2 1 8 6 49.16 1.74 1.8533 4 0 0 6 49.77 1.15 1.8322 4 -1 5 6 49.95 2.45 1.8260 1 1 10 3 49.95 3.34 1.8260 2 -1 10 3 50.04 4.59 1.8228 4 0 2 6 50.54 1.45 1.8058 4 -2 6 3 51.55 1.26 1.7730 2 0 10 6 51.78 6.27 1.7656 3 0 8 6 52.13 1.69 1.7545 4 -1 6 6 52.13 2.06 1.7545 3 1 6 6 52.61 4.84 1.7397 4 0 4 6 53.91 2.83 1.7007 3 2 0 6 54.73 2.18 1.6771 5 -2 2 6 54.73 2.92 1.6771 3 2 2 6 54.83 1.34 1.6742 3 1 7 6 54.83 1.29 1.6742 4 -1 7 6 55.75 1.28 1.6489 5 -2 3 6 55.75 1.64 1.6489 3 2 3 6 56.15 3.03 1.6380 3 -1 10 6 56.15 2.95 1.6380 2 1 10 6 56.70 3.34 1.6234 4 0 6 6 56.92 1.41 1.6177 4 1 0 6 57.15 2.96 1.6117 5 -2 4 6 57.15 3.21 1.6117 3 2 4 6 57.85 1.47 1.5940 3 1 8 6 58.93 1.90 1.5674 5 -2 5 6 58.93 1.61 1.5674 3 2 5 6 58.99 1.90 1.5659 2 -1 12 3 58.99 3.00 1.5659 1 1 12 3 59.09 2.58 1.5635 3 0 10 6 61.05 1.77 1.5179 5 -2 6 6 61.05 2.05 1.5179 3 2 6 6 61.14 1.75 1.5157 3 1 9 6 61.14 1.01 1.5157 4 -1 9 6 62.14 2.14 1.4938 4 0 8 6 62.85 1.06 1.4787 5 0 1 6 64.34 1.33 1.4479 5 0 3 6 66.27 1.40 1.4104 3 2 8 6 66.27 1.83 1.4104 5 -2 8 6 66.95 1.19 1.3976 6 -2 1 6 67.27 1.97 1.3918 5 0 5 6 68.68 1.75 1.3666 1 1 14 3 68.68 1.02 1.3666 2 -1 14 3 70.76 1.89 1.3314 5 1 0 6 71.47 1.21 1.3200 6 -1 2 6 71.47 1.38 1.3200 5 1 2 6 72.70 1.36 1.3007 5 -2 10 6 73.57 1.33 1.2874 6 -1 4 6 73.91 1.08 1.2823 3 -1 14 6 75.43 1.10 1.2602 4 2 7 6 76.46 1.33 1.2457 4 0 12 6 76.48 1.27 1.2455 3 0 14 6 77.03 1.17 1.2381 6 -1 6 6 85.27 1.20 1.1382 4 0 14 6 87.83 1.20 1.1115 5 1 10 6 89.00 1.06 1.0999 3 2 14 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.