Anorthite Wenk H R, Joswig W, Tagai T, Korekawa M, Smith B K American Mineralogist 65 (1980) 81-95 The average structure of An 62-66 labradorite Note: studied with neutrons Locality: Surtsey, Iceland _database_code_amcsd 0019663 CELL PARAMETERS: 8.1736 12.8736 7.1022 93.462 116.054 90.475 SPACE GROUP: C-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 669.647 Density (g/cm3): 2.697 MAX. ABS. INTENSITY / VOLUME**2: 4.569838710 RIR: 0.552 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.67 8.34 6.4800 -1 1 0 2 15.23 1.80 5.8182 -1 -1 1 2 18.92 8.27 4.6901 0 -2 1 2 22.00 78.43 4.0406 -2 0 1 2 22.78 17.44 3.9035 1 -1 1 2 23.66 39.94 3.7612 -1 3 0 2 23.67 25.60 3.7592 1 1 1 2 24.48 35.15 3.6362 1 3 0 2 24.58 13.03 3.6221 -1 -3 1 2 25.47 1.45 3.4976 -1 3 1 2 25.66 14.00 3.4711 -1 -1 2 2 26.03 4.99 3.4236 -2 -2 1 2 26.49 25.37 3.3648 -1 1 2 2 27.53 53.99 3.2400 -2 2 0 2 27.79 59.41 3.2101 0 4 0 2 27.87 95.55 3.2012 -2 0 2 2 28.04 100.00 3.1821 0 0 2 2 28.49 42.92 3.1334 2 2 0 2 29.49 23.26 3.0287 1 -3 1 2 30.28 27.09 2.9520 0 -4 1 2 30.45 17.64 2.9356 0 -2 2 2 30.73 9.97 2.9091 -2 -2 2 2 31.56 24.32 2.8350 1 3 1 2 31.79 8.82 2.8151 -1 -3 2 2 33.80 14.17 2.6521 -1 3 2 2 35.24 3.47 2.5466 2 -2 1 2 35.55 5.27 2.5252 1 -1 2 2 35.66 4.15 2.5176 -3 -1 2 2 35.68 30.57 2.5165 -2 -4 1 2 35.77 19.89 2.5104 -2 4 1 2 35.90 1.38 2.5016 -3 1 2 2 36.47 2.06 2.4637 -2 4 0 2 36.81 3.55 2.4414 2 2 1 2 37.15 4.29 2.4200 -3 1 0 2 37.23 4.73 2.4153 -1 -5 1 2 37.71 3.24 2.3857 3 1 0 2 37.95 3.64 2.3707 2 4 0 2 38.25 3.18 2.3529 -1 5 1 2 39.02 5.69 2.3084 -3 3 1 2 39.49 6.15 2.2820 -3 -3 1 2 39.77 3.61 2.2666 -1 1 3 2 39.99 1.47 2.2547 1 -3 2 2 40.43 4.33 2.2310 1 -5 1 2 40.54 2.41 2.2250 -2 4 2 2 41.35 1.70 2.1835 0 4 2 2 41.82 1.40 2.1600 -3 3 0 2 41.86 2.36 2.1581 -2 2 3 2 42.18 1.16 2.1423 -1 -5 2 2 42.23 9.50 2.1401 0 6 0 2 42.42 13.45 2.1311 2 -4 1 2 43.06 8.91 2.1007 1 5 1 2 43.24 1.74 2.0925 -3 1 3 2 43.31 1.28 2.0889 3 3 0 2 44.82 1.31 2.0222 -1 5 2 2 44.86 2.68 2.0203 -4 0 2 2 45.00 3.45 2.0145 -4 0 1 2 45.20 1.04 2.0059 2 0 2 2 45.37 1.79 1.9988 3 -1 1 2 45.53 2.21 1.9921 -1 3 3 2 45.68 4.62 1.9861 0 6 1 2 46.18 1.81 1.9659 3 1 1 2 46.53 3.03 1.9518 2 -2 2 2 47.12 3.54 1.9285 -4 -2 2 2 47.20 10.06 1.9258 -4 2 2 2 48.40 4.84 1.8806 -2 6 0 2 48.43 7.49 1.8796 2 2 2 2 48.45 1.08 1.8790 -3 5 1 2 49.09 1.33 1.8557 3 -3 1 2 49.33 10.76 1.8475 -4 0 3 2 49.48 1.16 1.8422 -2 4 3 2 49.61 3.24 1.8375 0 -6 2 2 49.70 13.59 1.8344 4 0 0 2 49.72 3.07 1.8337 1 -1 3 2 49.80 2.49 1.8309 0 -4 3 2 50.18 5.10 1.8181 2 6 0 2 50.39 3.38 1.8111 -2 -6 2 2 50.79 9.19 1.7975 1 1 3 2 50.84 2.52 1.7961 -1 7 0 2 51.29 1.13 1.7813 -1 -7 1 2 51.34 1.12 1.7798 3 3 1 2 51.57 22.81 1.7723 -2 0 4 2 52.14 5.97 1.7541 2 -4 2 2 52.31 1.78 1.7488 -2 6 2 2 52.40 1.47 1.7460 -1 7 1 2 52.40 1.39 1.7460 4 2 0 2 52.42 1.62 1.7454 1 5 2 2 52.74 2.91 1.7356 -2 -2 4 2 52.90 1.30 1.7309 1 -3 3 2 52.98 1.10 1.7285 2 -6 1 2 53.19 3.26 1.7220 -4 4 1 2 53.26 2.97 1.7200 0 6 2 2 53.44 2.08 1.7145 0 4 3 2 53.53 5.71 1.7118 -4 -4 2 2 53.66 3.51 1.7079 -4 4 2 2 54.24 1.67 1.6911 -4 -4 1 2 54.55 3.67 1.6824 -2 2 4 2 54.89 1.50 1.6728 -3 -5 3 2 55.61 3.39 1.6527 2 4 2 2 56.49 1.54 1.6290 -3 -3 4 2 56.67 1.52 1.6243 3 -5 1 2 56.93 1.24 1.6174 -4 -4 3 2 57.15 4.07 1.6117 -3 5 3 2 57.41 2.20 1.6051 0 8 0 2 58.15 1.17 1.5864 4 0 1 2 58.23 1.48 1.5843 -5 1 1 2 58.27 1.28 1.5833 0 -8 1 2 58.79 2.43 1.5707 0 -2 4 2 58.94 1.75 1.5670 -4 -2 4 2 59.62 1.31 1.5507 3 -3 2 2 59.96 1.28 1.5427 2 -2 3 2 60.04 2.99 1.5409 3 5 1 2 60.10 2.00 1.5395 -4 2 4 2 60.11 1.10 1.5392 1 -7 2 2 60.99 1.10 1.5193 0 2 4 2 61.20 1.64 1.5144 2 -6 2 2 61.26 1.84 1.5132 -2 4 4 2 62.18 5.01 1.4930 -2 -8 1 2 62.23 5.60 1.4919 -2 8 0 2 62.41 1.20 1.4881 3 3 2 2 62.65 3.83 1.4828 -5 -3 3 2 62.70 5.30 1.4818 -4 6 1 2 62.77 1.09 1.4802 -5 -3 1 2 62.97 1.46 1.4760 0 -8 2 2 63.16 2.43 1.4721 -5 3 3 2 63.39 3.84 1.4673 -4 6 2 2 63.96 5.74 1.4556 0 6 3 2 64.24 3.49 1.4500 2 8 0 2 64.51 3.47 1.4445 2 -4 3 2 64.96 1.01 1.4356 -5 -1 4 2 65.39 2.02 1.4272 -5 1 4 2 65.75 1.42 1.4203 -4 6 0 2 65.89 3.67 1.4175 2 6 2 2 65.90 1.40 1.4174 2 -8 1 2 66.28 1.57 1.4101 1 1 4 2 67.15 2.43 1.3941 4 4 1 2 67.35 3.38 1.3904 1 9 0 2 67.57 5.50 1.3864 1 -3 4 2 67.76 2.66 1.3828 -4 6 3 2 68.14 3.46 1.3762 -5 -3 4 2 68.30 3.08 1.3732 1 -9 1 2 68.38 1.15 1.3719 5 3 0 2 68.60 2.51 1.3681 2 4 3 2 68.67 2.07 1.3668 4 6 0 2 68.80 3.90 1.3645 -4 0 5 2 69.09 6.88 1.3596 -6 0 2 2 69.52 6.39 1.3522 4 0 2 2 69.52 4.79 1.3522 -1 -9 2 2 69.78 1.87 1.3478 -4 -2 5 2 69.89 1.79 1.3459 2 8 1 2 70.14 3.00 1.3418 -1 1 5 2 70.29 1.12 1.3392 4 -2 2 2 70.52 1.79 1.3354 -5 5 3 2 71.06 1.24 1.3266 -6 -2 2 2 71.08 1.56 1.3263 0 -8 3 2 71.30 1.20 1.3228 0 -6 4 2 71.36 2.59 1.3218 -1 -3 5 2 71.40 1.19 1.3211 3 1 3 2 72.38 1.07 1.3057 -4 -6 4 2 72.97 1.62 1.2966 -1 9 2 2 73.02 2.94 1.2958 2 -8 2 2 74.52 1.07 1.2733 4 -4 2 2 74.75 1.33 1.2700 -3 9 1 2 74.77 1.43 1.2697 2 0 4 2 74.90 1.26 1.2678 -4 8 1 2 75.03 1.05 1.2659 0 -2 5 2 75.57 3.81 1.2583 -4 -8 2 2 75.61 2.02 1.2577 -6 4 2 2 75.78 3.15 1.2552 -4 8 2 2 76.66 2.37 1.2431 -6 -4 3 2 76.90 1.38 1.2397 -5 -3 5 2 77.26 1.98 1.2348 -4 4 5 2 78.16 3.60 1.2229 6 0 0 2 78.33 1.17 1.2207 4 4 2 2 78.79 4.08 1.2147 2 8 2 2 79.24 1.84 1.2089 -3 5 5 2 80.53 1.12 1.1928 6 2 0 2 81.91 1.02 1.1762 -4 -6 5 2 82.51 1.44 1.1691 1 -7 4 2 82.57 1.05 1.1683 -1 5 5 2 82.79 1.83 1.1659 -3 9 3 2 83.49 2.58 1.1578 -6 4 0 2 83.72 2.15 1.1552 3 5 3 2 84.40 1.22 1.1477 -5 -7 4 2 84.70 2.13 1.1443 -2 6 5 2 85.41 1.28 1.1366 -1 -9 4 2 86.11 1.27 1.1293 -1 -11 2 2 86.20 1.97 1.1283 6 4 0 2 86.27 1.30 1.1276 -3 -9 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.