Ludlockite Cooper M A, Hawthorne F C The Canadian Mineralogist 34 (1996) 79-89 The crystal structure of ludlockite, PbFe4As10O22, the mineral with pentameric arsenite groups and orange hair _database_code_amcsd 0005479 CELL PARAMETERS: 10.4260 12.0740 18.3490 101.840 100.210 90.600 SPACE GROUP: A-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 2222.263 Density (g/cm3): 4.578 MAX. ABS. INTENSITY / VOLUME**2: 33.67635318 RIR: 2.395 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.09 16.89 10.9322 0 -1 1 2 9.85 5.63 8.9782 0 1 1 2 10.02 100.00 8.8271 0 0 2 2 11.42 1.90 7.7463 -1 -1 1 2 12.24 2.06 7.2338 1 -1 1 2 15.01 6.90 5.9016 0 2 0 2 16.40 2.78 5.4040 -1 -1 3 2 16.97 6.26 5.2253 -1 2 0 2 17.86 5.70 4.9663 -1 -2 2 2 18.36 8.69 4.8331 -2 0 2 2 18.61 4.87 4.7671 -2 -1 1 2 18.78 3.70 4.7250 1 -1 3 2 18.79 7.57 4.7231 -2 1 1 2 18.92 3.58 4.6915 1 -2 2 2 19.63 2.05 4.5224 2 -1 1 2 19.78 16.34 4.4891 0 2 2 2 20.12 4.19 4.4136 0 0 4 2 21.05 2.15 4.2202 2 1 1 2 21.31 4.16 4.1693 -2 -1 3 2 21.50 1.74 4.1339 1 1 3 2 21.59 9.00 4.1162 2 0 2 2 22.47 9.55 3.9561 0 -2 4 2 22.64 5.64 3.9283 1 2 2 2 22.92 1.04 3.8799 -2 1 3 2 24.08 18.09 3.6959 -2 0 4 2 24.19 2.36 3.6793 0 3 1 2 24.43 3.41 3.6441 0 -3 3 2 24.60 12.49 3.6183 -2 2 2 2 24.61 4.79 3.6169 2 -2 2 2 24.75 3.16 3.5969 0 -1 5 2 24.78 4.18 3.5924 -1 -1 5 2 24.97 2.56 3.5662 2 -1 3 2 25.17 5.24 3.5375 1 -2 4 2 26.52 1.51 3.3616 1 -3 3 2 26.59 21.18 3.3524 -2 -2 4 2 26.68 5.54 3.3408 -3 1 1 2 26.80 9.96 3.3262 -3 -1 1 2 27.34 1.58 3.2623 2 1 3 2 27.65 2.71 3.2263 -1 1 5 2 27.66 6.14 3.2251 1 -1 5 2 27.74 1.53 3.2154 -2 -1 5 2 27.86 7.86 3.2028 0 1 5 2 28.08 20.31 3.1778 2 2 2 2 28.09 12.26 3.1772 2 -3 1 2 28.20 2.91 3.1646 -3 -1 3 2 28.31 10.79 3.1527 -2 -3 1 2 29.02 5.23 3.0769 2 0 4 2 29.15 1.09 3.0631 3 1 1 2 29.23 11.25 3.0550 -3 1 3 2 29.84 7.52 2.9944 0 -4 2 2 29.86 12.32 2.9927 0 3 3 2 29.88 2.37 2.9905 -3 -2 2 2 30.00 1.16 2.9790 -1 3 3 2 30.13 1.91 2.9657 -2 1 5 2 30.25 10.32 2.9549 0 -3 5 2 30.29 5.50 2.9508 0 4 0 2 30.29 16.09 2.9507 -2 2 4 2 30.31 19.87 2.9492 2 -2 4 2 30.38 32.86 2.9424 0 0 6 2 30.49 1.12 2.9320 -1 -3 5 2 30.70 5.53 2.9118 1 1 5 2 30.76 6.60 2.9071 -3 2 2 2 30.87 7.61 2.8962 3 2 0 2 30.98 1.17 2.8869 0 -2 6 2 31.07 10.48 2.8781 2 -3 3 2 31.09 15.56 2.8769 2 3 1 2 31.13 3.28 2.8730 -1 4 0 2 31.23 21.69 2.8643 1 -4 2 2 31.83 6.06 2.8118 3 -2 2 2 31.97 19.37 2.7996 1 4 0 2 32.23 4.23 2.7771 1 3 3 2 32.29 2.22 2.7726 -3 -2 4 2 32.47 9.81 2.7576 3 -1 3 2 32.50 3.88 2.7549 1 -3 5 2 32.63 6.90 2.7446 -2 3 3 2 32.91 8.14 2.7217 -3 -1 5 2 33.15 12.79 2.7020 -2 -2 6 2 33.18 7.17 2.7001 -2 -3 5 2 33.35 5.17 2.6870 -1 -4 4 2 34.27 1.76 2.6163 -1 4 2 2 34.54 4.58 2.5969 1 -4 4 2 34.56 3.61 2.5955 3 1 3 2 34.62 4.12 2.5911 -4 0 2 2 34.78 3.52 2.5798 0 -1 7 2 34.79 2.52 2.5789 -3 1 5 2 35.02 15.62 2.5622 4 0 0 2 35.15 1.91 2.5531 -4 1 1 2 35.19 8.63 2.5506 2 2 4 2 35.43 2.30 2.5334 -4 -1 1 2 36.17 1.30 2.4831 -2 -4 4 2 36.96 1.26 2.4320 3 -2 4 2 37.21 2.51 2.4165 -4 0 4 2 37.28 4.21 2.4122 -3 3 3 2 37.36 2.47 2.4073 0 -5 1 2 37.41 1.86 2.4038 -1 1 7 2 37.58 3.12 2.3931 -4 2 0 2 37.64 3.24 2.3898 0 3 5 2 37.74 5.70 2.3835 -4 -2 2 2 37.86 2.45 2.3766 -3 -3 5 2 37.95 1.91 2.3709 2 0 6 2 37.97 1.63 2.3700 0 -5 3 2 38.02 2.44 2.3667 0 1 7 2 38.07 2.70 2.3636 -2 2 6 2 38.09 4.34 2.3625 2 -2 6 2 38.11 2.06 2.3616 -4 2 2 2 38.12 3.20 2.3609 0 -3 7 2 38.33 2.39 2.3481 4 0 2 2 38.45 3.59 2.3410 -1 -4 6 2 39.07 2.49 2.3057 -2 3 5 2 39.37 1.27 2.2888 -3 4 0 2 39.57 2.06 2.2777 0 5 1 2 39.69 1.97 2.2707 -2 -3 7 2 39.77 1.45 2.2663 -3 -4 2 2 39.99 5.07 2.2548 -1 4 4 2 40.04 1.00 2.2521 1 3 5 2 40.31 1.31 2.2376 3 -4 2 2 40.89 1.69 2.2068 0 0 8 2 41.03 3.81 2.1998 2 -5 1 2 41.29 1.60 2.1864 0 -5 5 2 41.48 1.78 2.1770 -2 0 8 2 41.58 7.26 2.1718 -2 -5 3 2 42.27 1.53 2.1381 -2 5 1 2 42.32 5.05 2.1359 -4 0 6 2 42.59 1.05 2.1225 4 1 3 2 43.40 6.60 2.0851 -4 3 3 2 43.99 6.48 2.0586 -4 -3 5 2 44.21 2.14 2.0486 2 3 5 2 44.48 2.19 2.0368 2 -3 7 2 44.60 2.43 2.0315 4 -3 3 2 44.76 1.74 2.0247 4 3 1 2 45.25 1.48 2.0037 -4 -1 7 2 45.55 1.27 1.9916 -1 -4 8 2 45.55 2.74 1.9916 -2 -1 9 2 45.88 1.64 1.9781 0 -4 8 2 45.96 1.07 1.9745 -2 5 3 2 46.17 1.11 1.9661 -5 2 0 2 46.23 1.32 1.9637 -5 2 2 2 46.34 1.60 1.9592 -4 -4 2 2 46.86 1.05 1.9389 0 -5 7 2 46.89 1.71 1.9376 0 2 8 2 46.94 3.09 1.9355 4 -1 5 2 46.97 2.23 1.9346 4 -4 2 2 47.18 1.38 1.9266 -5 -2 4 2 47.67 1.20 1.9077 5 2 0 2 47.77 1.06 1.9040 1 -1 9 2 47.98 1.59 1.8963 1 -4 8 2 48.04 1.22 1.8938 0 4 6 2 48.15 1.45 1.8897 4 4 0 2 48.47 3.71 1.8780 2 -6 2 2 48.49 1.03 1.8774 5 -2 2 2 48.63 3.27 1.8724 -2 1 9 2 48.75 3.39 1.8678 -2 -6 2 2 49.09 1.62 1.8559 1 3 7 2 49.31 5.45 1.8480 -4 0 8 2 49.38 2.57 1.8457 4 1 5 2 49.54 2.86 1.8402 1 -3 9 2 49.55 1.51 1.8398 3 2 6 2 49.57 1.10 1.8391 -4 -2 8 2 49.75 1.40 1.8327 4 -3 5 2 49.77 1.85 1.8320 4 3 3 2 49.96 1.16 1.8254 -3 3 7 2 50.28 1.47 1.8146 1 4 6 2 50.44 1.14 1.8092 -1 5 5 2 50.76 1.38 1.7984 0 -2 10 2 50.85 2.19 1.7956 0 5 5 2 51.12 1.18 1.7869 3 -5 5 2 51.17 1.21 1.7851 -3 1 9 2 51.40 3.67 1.7776 4 0 6 2 51.44 1.99 1.7763 4 -5 1 2 51.54 1.50 1.7731 1 -6 6 2 51.57 2.47 1.7722 -2 0 10 2 51.70 1.24 1.7680 -2 5 5 2 51.87 2.00 1.7627 2 -1 9 2 52.54 1.11 1.7418 -3 6 0 2 52.82 1.72 1.7333 -4 -5 1 2 53.04 2.32 1.7265 2 3 7 2 53.18 1.64 1.7223 -3 -6 4 2 53.31 1.31 1.7185 4 -5 3 2 53.40 1.23 1.7157 2 -3 9 2 53.99 1.13 1.6983 1 -7 1 2 54.04 1.46 1.6970 -1 -7 3 2 54.14 1.55 1.6940 0 -5 9 2 54.58 1.59 1.6814 5 -4 2 2 54.65 1.34 1.6795 -3 6 2 2 54.68 1.11 1.6785 0 -4 10 2 54.95 3.24 1.6710 -2 -5 9 2 54.97 1.07 1.6703 6 -1 1 2 55.21 2.12 1.6638 0 -7 5 2 55.22 1.72 1.6634 2 1 9 2 55.74 1.83 1.6492 -6 -2 4 2 55.84 1.02 1.6464 5 4 0 2 55.85 2.48 1.6461 0 7 1 2 55.97 1.28 1.6430 -2 6 4 2 56.40 2.27 1.6313 -2 3 9 2 56.52 1.79 1.6283 2 -7 3 2 56.56 1.10 1.6272 -4 -5 7 2 56.77 3.14 1.6217 3 -4 8 2 56.80 4.83 1.6208 -6 2 4 2 56.92 1.26 1.6177 -2 -6 8 2 57.12 2.21 1.6126 -2 -3 11 2 57.24 1.58 1.6094 -2 -7 1 2 57.52 1.11 1.6024 -3 -4 10 2 57.56 1.07 1.6013 -6 3 1 2 57.63 1.49 1.5995 6 -2 2 2 57.73 3.39 1.5969 -4 0 10 2 57.91 1.25 1.5923 -3 -1 11 2 58.32 3.70 1.5823 -6 -2 6 2 58.34 1.05 1.5817 -5 -1 9 2 58.58 1.30 1.5757 -3 3 9 2 58.64 1.75 1.5744 -6 3 3 2 58.83 1.21 1.5697 -4 5 5 2 58.95 1.89 1.5668 0 5 7 2 59.07 1.09 1.5638 3 -6 6 2 59.08 1.43 1.5636 -2 5 7 2 59.21 1.81 1.5606 3 4 6 2 59.23 2.00 1.5599 -6 -3 5 2 60.12 1.60 1.5391 2 6 4 2 60.15 5.38 1.5384 4 0 8 2 60.36 1.13 1.5335 3 -7 3 2 60.44 2.11 1.5315 6 2 2 2 60.55 1.65 1.5291 2 -6 8 2 60.81 1.88 1.5233 -2 -7 7 2 61.12 1.58 1.5163 -2 -2 12 2 61.30 1.02 1.5122 -3 -7 1 2 61.33 2.37 1.5116 -2 7 3 2 61.51 1.46 1.5075 6 -3 3 2 61.76 2.83 1.5020 6 3 1 2 61.94 1.61 1.4980 6 -2 4 2 62.30 1.13 1.4903 1 1 11 2 62.35 1.20 1.4894 -6 0 8 2 63.00 2.18 1.4754 0 8 0 2 63.02 1.06 1.4751 -7 -1 3 2 63.08 1.31 1.4737 -7 1 3 2 63.20 1.51 1.4712 0 0 12 2 63.69 1.07 1.4612 -1 -4 12 2 64.41 2.42 1.4464 0 -8 6 2 64.78 1.36 1.4391 -5 -6 4 2 65.38 1.13 1.4274 -4 7 1 2 66.31 2.75 1.4095 6 -5 1 2 66.64 1.03 1.4034 -5 -4 10 2 66.67 1.21 1.4028 -2 3 11 2 66.69 2.13 1.4025 -6 -5 3 2 67.51 1.06 1.3875 0 3 11 2 67.95 1.19 1.3796 -2 2 12 2 68.14 1.05 1.3761 0 -3 13 2 68.36 1.17 1.3723 -3 3 11 2 68.53 1.68 1.3692 7 -1 3 2 69.59 1.16 1.3510 -5 -6 8 2 70.01 1.19 1.3439 1 3 11 2 70.16 1.76 1.3414 0 -9 3 2 71.10 1.44 1.3259 -5 7 1 2 71.72 1.34 1.3160 -1 -9 5 2 72.60 2.93 1.3022 -8 0 2 2 79.29 1.50 1.2083 -8 0 8 2 86.82 1.33 1.1218 -2 0 16 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.