Ludlamite Abrahams S C Journal of Chemical Physics 44 (1966) 2230-2237 Ferromagnetic and crystal structure of ludlamite, Fe3(PO4)2*4(H2O), at 4.2 K Sample: T = 4.2 K _database_code_amcsd 0012982 CELL PARAMETERS: 10.5410 4.6380 9.2850 90.000 100.728 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 446.002 Density (g/cm3): 3.198 MAX. ABS. INTENSITY / VOLUME**2: 10.80950907 RIR: 1.101 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.70 2.43 9.1227 0 0 1 2 17.12 20.72 5.1784 2 0 0 2 18.06 84.09 4.9131 -2 0 1 2 19.46 22.18 4.5614 0 0 2 2 20.99 2.46 4.2329 1 1 0 4 21.25 14.13 4.1816 2 0 1 2 21.49 11.40 4.1344 0 1 1 4 22.47 100.00 3.9564 -1 1 1 4 23.47 5.93 3.7907 -2 0 2 2 23.84 41.32 3.7328 1 1 1 4 25.79 10.83 3.4549 2 1 0 4 26.43 2.28 3.3726 -2 1 1 4 27.43 2.41 3.2521 0 1 2 4 27.64 7.65 3.2276 -1 1 2 4 28.38 6.79 3.1448 2 0 2 2 28.75 8.48 3.1057 2 1 1 4 29.37 29.13 3.0409 0 0 3 2 29.87 61.36 2.9914 1 1 2 4 30.46 1.89 2.9351 -2 1 2 4 32.33 20.21 2.7693 3 1 0 4 32.35 70.18 2.7672 -3 1 1 4 34.19 1.48 2.6223 -4 0 1 2 34.46 11.91 2.6029 2 1 2 4 35.00 2.64 2.5638 -1 1 3 4 35.25 16.34 2.5463 3 1 1 4 35.29 29.52 2.5430 0 1 3 4 35.32 42.75 2.5415 -3 1 2 4 36.87 8.67 2.4377 -2 1 3 4 37.71 25.47 2.3852 1 1 3 4 37.84 18.55 2.3773 4 0 1 2 38.83 6.18 2.3190 0 2 0 2 39.84 1.23 2.2630 1 2 0 4 39.88 10.75 2.2608 4 1 0 4 40.13 22.67 2.2472 -2 0 4 2 40.56 5.54 2.2244 3 1 2 4 40.66 3.86 2.2191 -3 1 3 4 41.50 1.55 2.1758 1 2 1 4 41.60 8.52 2.1709 -4 1 2 4 41.95 9.84 2.1538 2 1 3 4 42.72 2.07 2.1165 2 2 0 4 42.74 5.59 2.1156 4 1 1 4 43.14 8.34 2.0971 -2 2 1 4 43.62 15.07 2.0748 -1 1 4 4 44.26 5.64 2.0466 0 1 4 4 44.68 6.02 2.0280 2 2 1 4 44.82 1.87 2.0223 -2 1 4 4 45.46 4.85 1.9951 1 2 2 4 46.65 7.20 1.9469 1 1 4 4 47.23 17.25 1.9243 -3 2 1 4 47.72 1.93 1.9057 -3 1 4 4 48.11 12.72 1.8913 5 1 0 4 48.79 9.88 1.8664 2 2 2 4 48.90 13.11 1.8627 -5 1 2 4 49.20 9.14 1.8519 -1 2 3 4 49.39 5.72 1.8452 3 2 1 4 49.43 10.95 1.8440 0 2 3 4 49.44 4.28 1.8434 -3 2 2 4 50.95 1.80 1.7924 5 1 1 4 52.45 2.17 1.7445 -5 1 3 4 53.01 1.30 1.7274 4 2 0 4 53.05 12.37 1.7261 6 0 0 2 53.56 12.20 1.7111 3 2 2 4 54.01 1.27 1.6979 0 1 5 4 54.41 8.28 1.6863 -4 2 2 4 55.34 16.54 1.6600 4 2 1 4 55.92 4.35 1.6441 3 1 4 4 55.99 7.97 1.6423 -4 0 5 2 56.07 9.46 1.6403 -3 1 5 4 56.07 3.17 1.6401 -1 2 4 4 56.16 10.75 1.6377 -6 0 3 2 56.41 3.48 1.6310 1 1 5 4 56.51 18.94 1.6285 2 0 5 2 56.60 4.48 1.6261 0 2 4 4 57.07 12.15 1.6138 -2 2 4 4 57.80 3.59 1.5951 -5 1 4 4 58.04 6.63 1.5892 -4 2 3 4 58.72 8.18 1.5724 4 0 4 2 59.54 1.48 1.5526 -3 2 4 4 59.73 2.12 1.5481 -4 1 5 4 59.87 1.75 1.5448 5 2 0 4 60.23 1.16 1.5365 2 1 5 4 60.55 3.15 1.5291 -5 2 2 4 60.76 2.04 1.5243 0 3 1 4 60.93 1.16 1.5205 0 0 6 2 62.04 5.00 1.4960 5 1 3 4 62.34 2.54 1.4895 5 2 1 4 62.72 2.12 1.4814 2 3 0 4 63.41 5.44 1.4669 -1 1 6 4 63.54 3.79 1.4642 0 3 2 4 63.65 1.03 1.4619 -1 3 2 4 63.66 2.15 1.4617 -5 2 3 4 64.23 2.28 1.4501 2 3 1 4 64.26 1.19 1.4495 -1 2 5 4 64.68 5.25 1.4412 -5 1 5 4 64.84 4.28 1.4379 1 3 2 4 65.15 8.28 1.4319 -7 1 1 4 65.17 7.22 1.4315 -2 3 2 4 65.36 1.09 1.4278 4 2 3 4 66.25 1.12 1.4107 -3 3 1 4 66.31 3.20 1.4096 7 1 0 4 66.76 2.20 1.4011 3 2 4 4 66.89 2.35 1.3987 -3 2 5 4 66.96 6.19 1.3975 1 1 6 4 67.16 1.53 1.3939 6 0 3 2 67.39 2.07 1.3897 -6 0 5 2 67.66 1.63 1.3847 6 2 0 4 67.84 2.66 1.3814 -1 3 3 4 68.04 2.48 1.3779 -3 3 2 4 68.16 1.25 1.3757 4 0 5 2 69.03 1.33 1.3606 -2 3 3 4 69.23 1.26 1.3572 7 1 1 4 69.57 2.92 1.3513 1 3 3 4 69.79 3.94 1.3476 5 1 4 4 70.27 1.18 1.3396 6 2 1 4 70.38 6.27 1.3378 -6 2 3 4 70.69 3.40 1.3327 2 2 5 4 71.47 5.13 1.3199 3 3 2 4 71.70 2.53 1.3163 -8 0 1 2 72.03 1.32 1.3112 -8 0 2 2 72.28 3.98 1.3072 -7 1 4 4 72.44 3.08 1.3047 2 3 3 4 72.65 1.54 1.3014 4 2 4 4 72.90 3.40 1.2976 -5 1 6 4 73.10 1.37 1.2946 8 0 0 2 73.63 1.95 1.2865 -1 2 6 4 73.80 1.22 1.2840 7 1 2 4 74.54 2.89 1.2731 -1 1 7 4 74.64 1.30 1.2715 0 2 6 4 75.20 2.64 1.2636 -6 0 6 2 75.34 3.20 1.2615 -4 3 3 4 76.57 1.24 1.2443 3 3 3 4 77.33 1.77 1.2340 -8 1 3 4 77.75 1.39 1.2283 -8 0 4 2 78.84 2.24 1.2140 5 1 5 4 79.65 1.25 1.2038 5 2 4 4 79.93 3.43 1.2002 7 1 3 4 80.87 1.62 1.1886 8 0 2 2 81.63 1.34 1.1795 0 3 5 4 81.92 1.93 1.1761 4 3 3 4 83.25 1.01 1.1606 -6 3 1 4 83.33 1.08 1.1597 -3 3 5 4 84.17 1.62 1.1502 0 4 1 4 84.21 1.00 1.1498 -1 2 7 4 84.24 2.45 1.1495 -2 2 7 4 84.54 2.86 1.1462 -1 4 1 4 85.54 2.30 1.1353 -3 2 7 4 85.90 1.31 1.1315 2 4 0 4 86.23 1.32 1.1280 -8 1 5 4 86.65 2.80 1.1236 -4 0 8 2 86.73 1.02 1.1227 -1 1 8 4 87.32 3.23 1.1167 3 1 7 4 88.46 2.61 1.1052 5 3 3 4 88.97 1.46 1.1002 8 2 1 4 89.68 1.52 1.0933 -1 3 6 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.