Georgiadesite Pasero M, Vacchiano D Mineralogical Magazine 64 (2000) 879-884 Crystal structure and revision of the chemical formula of georgiadesite, Pb4(AsO3)Cl4(OH) Locality: Laurion, Attica, Greece _database_code_amcsd 0014543 CELL PARAMETERS: 13.7650 7.8960 10.8040 90.000 102.570 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1146.124 Density (g/cm3): 6.435 MAX. ABS. INTENSITY / VOLUME**2: 65.91623614 RIR: 3.335 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 6.58 1.14 13.4351 1 0 0 2 13.18 2.51 6.7175 2 0 0 2 14.01 25.78 6.3205 0 1 1 4 16.26 23.24 5.4518 1 1 1 4 16.67 14.76 5.3174 -1 0 2 2 16.82 29.53 5.2725 0 0 2 2 17.33 2.51 5.1165 2 1 0 4 17.97 15.72 4.9357 -2 1 1 4 19.00 27.00 4.6705 -2 0 2 2 19.82 1.05 4.4784 3 0 0 2 20.13 10.63 4.4105 -1 1 2 4 20.51 2.19 4.3300 2 1 1 4 22.11 26.57 4.0199 -2 1 2 4 22.44 49.07 3.9623 1 1 2 4 22.52 30.46 3.9480 0 2 0 2 22.79 5.78 3.9021 -3 1 1 4 23.09 33.58 3.8519 -3 0 2 2 23.49 6.04 3.7878 1 2 0 4 23.61 34.76 3.7683 2 0 2 2 24.07 4.85 3.6974 0 2 1 4 24.48 1.21 3.6365 -1 2 1 4 25.73 6.79 3.4619 -3 1 2 4 25.84 2.36 3.4481 3 1 1 4 26.18 13.88 3.4037 2 2 0 4 26.20 16.30 3.4009 2 1 2 4 26.54 2.86 3.3588 4 0 0 2 27.24 3.41 3.2739 -1 1 3 4 27.78 9.00 3.2112 0 1 3 4 28.15 25.54 3.1698 -1 2 2 4 28.24 34.68 3.1602 0 2 2 4 28.32 7.48 3.1512 -2 1 3 4 28.42 3.79 3.1406 -4 1 1 4 28.43 17.82 3.1395 2 2 1 4 28.83 4.12 3.0969 3 0 2 2 28.89 100.00 3.0908 4 1 0 4 29.63 13.67 3.0151 -2 2 2 4 30.15 15.64 2.9644 -3 2 1 4 30.18 31.67 2.9615 3 2 0 4 30.45 13.56 2.9352 -4 1 2 4 30.87 14.31 2.8966 -3 1 3 4 31.02 8.17 2.8831 3 1 2 4 31.76 2.92 2.8176 4 1 1 4 32.47 36.99 2.7570 -3 2 2 4 32.86 28.91 2.7259 2 2 2 4 33.18 25.61 2.7004 -1 0 4 2 33.23 11.26 2.6961 2 1 3 4 33.35 15.40 2.6870 5 0 0 2 33.70 2.97 2.6592 -1 2 3 4 33.99 5.25 2.6375 -5 0 2 2 34.01 4.34 2.6363 0 0 4 2 34.15 1.34 2.6253 0 2 3 4 34.60 9.21 2.5922 -2 2 3 4 34.65 1.35 2.5890 4 0 2 2 34.68 1.05 2.5863 -4 2 1 4 34.73 29.11 2.5829 1 3 0 4 35.08 5.27 2.5582 4 2 0 4 35.12 36.63 2.5551 -1 1 4 4 35.56 3.89 2.5247 -3 0 4 2 35.90 4.34 2.5016 -5 1 2 4 35.90 3.35 2.5012 1 2 3 4 36.15 4.53 2.4848 1 3 1 4 36.41 2.26 2.4679 -4 2 2 4 36.52 10.34 2.4601 4 1 2 4 36.67 10.72 2.4506 2 3 0 4 36.76 2.59 2.4448 -3 2 3 4 37.40 1.66 2.4048 -3 1 4 4 37.57 6.31 2.3940 3 1 3 4 38.15 3.74 2.3588 -1 3 2 4 38.22 4.39 2.3549 0 3 2 4 38.55 1.39 2.3352 -4 0 4 2 38.80 4.41 2.3206 2 2 3 4 39.21 5.50 2.2978 -5 1 3 4 39.34 6.56 2.2904 2 0 4 2 39.49 2.29 2.2821 1 3 2 4 39.72 1.46 2.2691 3 3 0 4 40.00 1.33 2.2538 -4 2 3 4 40.47 11.67 2.2289 -1 2 4 4 40.61 1.03 2.2213 5 2 0 4 40.88 2.51 2.2076 5 0 2 2 40.92 4.49 2.2053 -2 2 4 4 41.03 1.36 2.1997 2 1 4 4 41.16 1.34 2.1931 -5 2 2 4 41.85 3.15 2.1587 -6 1 2 4 41.87 2.70 2.1578 2 3 2 4 42.49 22.82 2.1274 -5 0 4 2 42.56 1.19 2.1242 -1 3 3 4 42.65 1.30 2.1201 4 1 3 4 42.66 3.24 2.1195 3 2 3 4 42.99 3.45 2.1041 1 2 4 4 43.10 2.85 2.0988 5 2 1 4 43.37 2.07 2.0865 -4 3 1 4 43.46 6.86 2.0824 3 0 4 2 43.69 4.37 2.0717 4 3 0 4 44.08 6.20 2.0542 -5 1 4 4 44.14 2.51 2.0519 -5 2 3 4 44.49 2.62 2.0365 -6 1 3 4 44.66 1.25 2.0290 6 1 1 4 44.80 6.86 2.0228 -4 3 2 4 45.02 17.60 2.0135 3 1 4 4 45.11 3.33 2.0100 -4 2 4 4 45.21 10.87 2.0055 3 3 2 4 45.80 1.57 1.9811 2 2 4 4 45.98 4.69 1.9740 0 4 0 2 46.71 4.03 1.9447 -7 0 2 2 47.05 5.11 1.9313 -1 4 1 4 47.36 1.14 1.9193 7 0 0 2 47.69 1.05 1.9070 -7 1 1 4 48.04 2.01 1.8939 2 4 0 4 48.19 11.86 1.8883 -7 1 2 4 48.29 2.02 1.8846 5 1 3 4 48.61 7.09 1.8728 -5 2 4 4 48.83 4.32 1.8650 7 1 0 4 48.89 8.45 1.8630 -5 3 2 4 48.90 2.96 1.8626 0 3 4 4 48.91 17.12 1.8623 6 1 2 4 48.97 1.29 1.8602 0 2 5 4 49.24 9.55 1.8506 -1 4 2 4 49.29 6.17 1.8487 0 4 2 4 49.31 1.17 1.8482 -3 2 5 4 49.38 7.81 1.8457 4 3 2 4 49.75 1.68 1.8327 4 1 4 4 50.06 4.28 1.8220 -3 3 4 4 50.33 1.68 1.8128 1 4 2 4 50.53 6.77 1.8063 3 4 0 4 50.91 2.52 1.7936 -1 0 6 2 51.56 5.34 1.7725 -3 0 6 2 52.03 2.17 1.7575 0 0 6 2 52.06 2.70 1.7567 -3 4 2 4 52.15 1.08 1.7539 -2 1 6 4 52.31 1.83 1.7490 -1 1 6 4 52.32 1.52 1.7486 2 4 2 4 52.38 5.10 1.7468 -4 3 4 4 52.45 2.29 1.7445 -7 2 2 4 53.00 5.19 1.7278 2 3 4 4 53.41 1.03 1.7155 0 1 6 4 53.75 4.78 1.7055 6 3 0 4 54.23 1.79 1.6914 5 3 2 4 54.44 2.05 1.6854 -7 2 3 4 54.46 3.72 1.6847 1 4 3 4 54.65 6.24 1.6794 8 0 0 2 54.66 5.01 1.6791 -4 1 6 4 54.69 1.20 1.6783 -8 1 1 4 54.83 2.30 1.6744 -4 4 2 4 55.42 7.34 1.6580 1 1 6 4 55.54 2.00 1.6545 -5 3 4 4 55.98 2.33 1.6426 8 1 0 4 56.34 6.98 1.6331 3 3 4 4 56.57 1.22 1.6269 -8 1 3 4 56.95 1.01 1.6170 -3 2 6 4 57.25 1.03 1.6093 -5 1 6 4 57.51 4.63 1.6026 -4 4 3 4 57.84 1.30 1.5942 -7 2 4 4 57.86 2.73 1.5936 -1 4 4 4 58.21 1.86 1.5849 -2 4 4 4 58.35 1.02 1.5815 6 2 3 4 58.39 1.05 1.5804 -5 4 2 4 58.59 1.78 1.5756 -4 2 6 4 59.06 2.39 1.5641 -7 3 2 4 59.47 1.93 1.5543 -6 3 4 4 59.62 7.52 1.5508 7 3 0 4 59.68 2.04 1.5492 6 3 2 4 59.82 1.56 1.5461 1 4 4 4 59.85 1.18 1.5454 8 2 0 4 60.42 1.25 1.5321 -2 5 1 4 60.97 2.89 1.5195 6 1 4 4 61.06 2.90 1.5175 -5 2 6 4 61.51 1.44 1.5076 -4 4 4 4 61.89 1.70 1.4991 3 1 6 4 62.02 1.04 1.4963 -6 4 1 4 62.05 1.74 1.4958 2 2 6 4 62.07 1.14 1.4953 2 4 4 4 62.54 5.68 1.4851 -2 3 6 4 62.68 3.45 1.4822 -1 3 6 4 63.38 3.34 1.4676 -8 2 4 4 63.41 1.80 1.4668 9 1 0 4 63.67 1.84 1.4616 0 3 6 4 63.74 1.96 1.4601 3 5 1 4 64.32 1.91 1.4483 -6 2 6 4 64.38 1.32 1.4470 -5 4 4 4 64.65 1.02 1.4418 7 2 3 4 64.71 1.75 1.4405 0 5 3 4 65.18 1.36 1.4312 5 3 4 4 65.29 4.03 1.4291 4 5 0 4 65.55 2.01 1.4241 3 2 6 4 65.92 4.39 1.4169 -9 1 4 4 65.99 1.45 1.4157 8 3 0 4 66.14 1.25 1.4128 -4 5 2 4 66.17 1.24 1.4123 7 0 4 2 66.35 1.88 1.4088 8 2 2 4 66.46 1.38 1.4068 3 5 2 4 68.34 2.88 1.3725 -8 0 6 2 68.51 1.19 1.3696 -5 5 1 4 68.88 1.98 1.3632 -1 5 4 4 70.06 2.34 1.3430 5 0 6 2 70.80 4.50 1.3309 -2 1 8 4 70.87 2.11 1.3297 7 2 4 4 71.22 1.08 1.3240 5 1 6 4 71.72 2.54 1.3160 0 6 0 2 72.54 1.08 1.3031 -1 6 1 4 72.98 1.40 1.2964 -8 2 6 4 73.83 1.20 1.2834 7 4 2 4 75.28 1.34 1.2624 -6 0 8 2 76.11 1.18 1.2506 2 4 6 4 76.64 1.01 1.2433 2 0 8 2 76.96 1.95 1.2390 10 0 2 2 77.19 1.82 1.2358 -11 1 2 4 77.33 1.35 1.2339 -8 4 4 4 78.20 1.46 1.2224 -6 4 6 4 78.48 1.55 1.2187 6 5 2 4 78.86 1.06 1.2138 2 5 5 4 79.76 1.93 1.2024 -6 2 8 4 79.84 1.49 1.2013 -2 3 8 4 81.09 1.32 1.1859 2 2 8 4 81.33 1.19 1.1830 -1 6 4 4 81.41 1.35 1.1821 10 2 2 4 82.71 1.21 1.1668 11 2 0 4 87.07 1.32 1.1192 -5 6 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.