Ludlamite Ito T, Mori H Acta Crystallographica 4 (1951) 412-416 The crystal structure of ludlamite Locality: Ashio, Japan _database_code_amcsd 0009144 CELL PARAMETERS: 10.4500 4.6500 9.2500 90.000 90.000 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 449.481 Density (g/cm3): 3.237 MAX. ABS. INTENSITY / VOLUME**2: 12.90577619 RIR: 1.298 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.56 1.90 9.2500 0 0 1 2 16.97 18.59 5.2250 2 0 0 2 19.19 22.59 4.6250 0 0 2 2 19.51 12.10 4.5494 2 0 1 2 19.51 74.09 4.5494 -2 0 1 2 20.91 4.88 4.2484 1 1 0 4 21.39 15.80 4.1546 0 1 1 4 23.04 27.29 3.8607 1 1 1 4 23.04 72.71 3.8607 -1 1 1 4 25.65 10.86 3.4736 2 1 0 4 25.72 5.11 3.4632 2 0 2 2 25.72 1.94 3.4632 -2 0 2 2 27.19 1.51 3.2792 0 1 2 4 27.43 6.70 3.2519 2 1 1 4 27.43 4.53 3.2519 -2 1 1 4 28.53 55.37 3.1287 1 1 2 4 28.53 5.03 3.1287 -1 1 2 4 28.96 16.80 3.0833 0 0 3 2 32.11 15.86 2.7879 3 1 0 4 32.23 12.63 2.7775 2 1 2 4 32.23 3.73 2.7775 -2 1 2 4 33.57 54.53 2.6693 -3 1 1 4 33.57 18.59 2.6693 3 1 1 4 34.92 29.53 2.5697 0 1 3 4 35.71 16.55 2.5141 4 0 1 2 35.99 27.40 2.4954 1 1 3 4 37.67 4.06 2.3876 3 1 2 4 37.67 25.13 2.3876 -3 1 2 4 38.73 3.72 2.3250 0 2 0 2 39.06 7.62 2.3059 2 1 3 4 39.06 4.78 2.3059 -2 1 3 4 39.57 8.65 2.2776 4 1 0 4 39.62 1.28 2.2747 4 0 2 2 40.80 11.26 2.2116 4 1 1 4 40.95 1.12 2.2041 1 2 1 4 42.56 3.18 2.1242 2 2 0 4 42.76 16.60 2.1146 -2 0 4 2 43.72 3.62 2.0706 0 1 4 4 43.72 4.09 2.0703 2 2 1 4 43.72 4.65 2.0703 -2 2 1 4 43.78 3.09 2.0679 -3 1 3 4 44.33 6.60 2.0433 -4 1 2 4 44.47 6.43 2.0374 1 2 2 4 44.61 5.61 2.0311 1 1 4 4 44.61 11.82 2.0311 -1 1 4 4 47.08 7.38 1.9303 2 2 2 4 47.22 2.27 1.9249 -2 1 4 4 47.71 7.01 1.9063 5 1 0 4 48.07 6.57 1.8929 3 2 1 4 48.07 12.11 1.8929 -3 2 1 4 48.77 1.20 1.8671 5 1 1 4 49.07 9.70 1.8564 0 2 3 4 49.77 1.59 1.8320 4 1 3 4 49.89 7.99 1.8278 -1 2 3 4 51.20 14.85 1.7841 3 2 2 4 51.20 4.80 1.7841 -3 2 2 4 51.33 4.86 1.7799 3 1 4 4 51.88 10.01 1.7625 -5 1 2 4 52.47 22.38 1.7439 2 0 5 2 52.54 12.70 1.7417 6 0 0 2 52.70 2.50 1.7368 4 2 0 4 52.87 10.65 1.7316 4 0 4 2 53.29 1.64 1.7190 0 1 5 4 53.70 11.51 1.7070 4 2 1 4 54.07 3.01 1.6962 1 1 5 4 56.09 4.90 1.6396 0 2 4 4 56.35 1.46 1.6329 2 1 5 4 56.61 5.40 1.6259 -4 2 2 4 56.78 1.18 1.6214 -5 1 3 4 56.78 3.69 1.6214 5 1 3 4 56.84 1.76 1.6198 -1 2 4 4 57.36 1.37 1.6062 -6 1 1 4 59.05 7.12 1.5644 -2 2 4 4 59.47 1.72 1.5543 5 2 0 4 60.02 4.21 1.5415 -3 1 5 4 60.39 1.78 1.5328 5 2 1 4 61.11 5.35 1.5165 -6 0 3 2 61.11 1.09 1.5165 6 0 3 2 61.25 3.34 1.5132 -4 2 3 4 61.25 1.59 1.5132 4 2 3 4 61.41 1.11 1.5098 4 0 5 2 61.41 6.01 1.5098 -4 0 5 2 62.50 1.75 1.4860 2 3 0 4 62.62 1.52 1.4835 3 2 4 4 63.10 4.59 1.4733 -5 2 2 4 63.22 2.79 1.4709 -5 1 4 4 63.22 5.84 1.4709 5 1 4 4 63.28 6.25 1.4697 0 3 2 4 63.40 2.06 1.4672 2 3 1 4 63.58 1.24 1.4633 0 1 6 4 63.97 1.48 1.4553 -1 3 2 4 63.97 2.52 1.4553 1 3 2 4 64.28 4.03 1.4492 1 1 6 4 64.28 3.92 1.4492 -1 1 6 4 64.35 1.43 1.4476 0 2 5 4 64.65 1.34 1.4417 6 1 3 4 64.94 1.56 1.4360 4 1 5 4 64.94 1.44 1.4360 -4 1 5 4 65.04 1.37 1.4339 -1 2 5 4 65.69 2.89 1.4214 7 1 0 4 66.04 4.18 1.4148 -2 3 2 4 66.56 4.58 1.4049 -7 1 1 4 66.56 1.63 1.4049 7 1 1 4 67.09 2.77 1.3951 2 2 5 4 67.15 1.20 1.3939 6 2 0 4 67.48 1.28 1.3879 -5 2 3 4 68.33 2.62 1.3729 -1 3 3 4 68.33 1.14 1.3729 1 3 3 4 69.41 4.03 1.3541 3 3 2 4 69.41 1.56 1.3541 -3 3 2 4 70.32 1.04 1.3386 -2 3 3 4 70.32 3.58 1.3386 2 3 3 4 70.44 1.51 1.3368 -3 2 5 4 71.00 3.68 1.3276 -5 1 5 4 71.00 2.02 1.3276 5 1 5 4 73.17 2.00 1.2934 -8 0 1 2 73.34 4.43 1.2908 7 1 3 4 73.60 1.37 1.2869 3 3 3 4 73.74 1.06 1.2849 0 2 6 4 74.01 1.32 1.2809 4 3 2 4 74.39 2.14 1.2753 -1 2 6 4 74.74 3.95 1.2702 -6 2 3 4 75.32 2.57 1.2618 -1 1 7 4 75.65 1.19 1.2571 8 0 2 2 78.11 3.01 1.2236 -4 3 3 4 78.11 1.07 1.2236 4 3 3 4 79.08 1.82 1.2109 -7 1 4 4 80.05 1.78 1.1987 -5 1 6 4 80.42 2.20 1.1941 3 1 7 4 83.01 1.19 1.1634 7 2 3 4 83.79 2.06 1.1544 5 3 3 4 83.80 1.07 1.1544 -6 0 6 2 83.88 1.89 1.1534 0 4 1 4 84.51 2.09 1.1465 -1 4 1 4 85.35 1.09 1.1373 -8 0 4 2 86.01 1.09 1.1303 8 2 1 4 86.14 1.44 1.1289 2 0 8 2 86.68 2.54 1.1232 6 3 2 4 86.80 1.13 1.1220 -2 2 7 4 87.16 1.11 1.1183 -9 1 1 4 88.40 3.00 1.1058 8 2 2 4 89.55 1.39 1.0946 5 2 6 4 89.92 2.28 1.0910 -3 2 7 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.