Orthoclase Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050367 Prince E, Donnay G, Martin R F American Mineralogist 58 (1973) 500-507 Neutron diffraction refinement of an ordered orthoclase structure CELL PARAMETERS: 8.594908 12.98301 7.206325 90.00000 116.0574 90.00000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 13.37 4.99 6.6363 1 1 0 13.66 5.21 6.4915 0 2 0 13.70 3.45 6.4738 0 0 1 15.11 9.07 5.8731 -1 1 1 19.38 1.84 4.5839 0 2 1 21.00 63.12 4.2332 -2 0 1 22.53 20.25 3.9485 1 1 1 23.05 5.64 3.8606 2 0 0 23.58 74.12 3.7751 1 3 0 24.63 16.90 3.6166 -1 3 1 25.13 10.58 3.5459 -2 2 1 25.68 54.54 3.4711 -1 1 2 26.88 100.00 3.3182 2 2 0 27.09 57.51 3.2927 -2 0 2 27.49 30.27 3.2458 0 4 0 27.57 79.00 3.2369 0 0 2 29.86 59.14 2.9934 1 3 1 30.45 7.93 2.9366 -2 2 2 30.82 25.09 2.9015 0 4 1 30.88 10.21 2.8968 0 2 2 32.34 20.53 2.7686 -1 3 2 34.37 19.83 2.6093 -3 1 2 34.73 3.00 2.5834 2 2 1 34.84 37.60 2.5758 -2 4 1 35.14 9.48 2.5541 1 1 2 35.56 9.55 2.5246 3 1 0 36.16 3.57 2.4844 2 4 0 37.22 8.94 2.4156 -1 5 1 37.68 11.50 2.3871 -3 3 1 38.70 5.77 2.3267 -1 1 3 39.74 2.53 2.2684 -3 3 2 40.35 1.12 2.2354 -2 2 3 41.02 4.39 2.2005 1 5 1 41.74 23.35 2.1638 0 6 0 42.50 10.24 2.1270 2 4 1 42.59 3.34 2.1227 -4 0 1 42.72 4.60 2.1166 -4 0 2 43.67 2.25 2.0724 2 0 2 43.74 2.40 2.0695 3 1 1 44.12 4.96 2.0522 0 6 1 45.05 13.01 2.0123 -4 2 2 45.96 11.57 1.9742 2 2 2 46.37 2.97 1.9577 -3 3 3 47.07 10.86 1.9303 4 0 0 47.26 3.13 1.9230 -3 5 1 47.43 6.20 1.9167 -4 0 3 48.20 2.33 1.8876 2 6 0 48.23 1.70 1.8866 3 3 1 49.06 6.59 1.8564 1 1 3 49.24 2.15 1.8502 4 2 0 49.56 1.78 1.8390 1 5 2 49.58 1.25 1.8382 -4 2 3 49.88 3.20 1.8279 3 5 0 50.46 3.94 1.8083 -2 6 2 50.67 21.55 1.8011 -2 0 4 50.74 9.35 1.7989 0 6 2 50.80 9.04 1.7970 0 4 3 51.43 5.90 1.7765 -4 4 1 51.54 2.41 1.7729 -4 4 2 52.37 3.51 1.7467 2 4 2 53.21 1.55 1.7210 1 3 3 53.83 1.85 1.7026 -5 1 2 54.74 5.54 1.6764 -3 5 3 55.73 3.16 1.6490 -1 7 2 56.39 6.46 1.6311 3 5 1 56.44 1.16 1.6300 -5 1 3 56.71 1.95 1.6229 0 8 0 57.76 6.03 1.5958 -4 2 4 58.78 5.87 1.5704 0 2 4 59.22 1.29 1.5598 2 2 3 60.23 7.02 1.5360 -5 3 3 60.58 1.98 1.5280 0 6 3 61.14 7.32 1.5153 -4 6 1 62.01 20.00 1.4961 2 8 0 62.68 3.21 1.4817 -5 1 4 63.75 2.46 1.4594 -1 7 3 63.93 1.01 1.4557 -2 8 2 64.15 3.77 1.4513 1 1 4 63.99 3.10 1.4544 5 3 0 64.17 1.23 1.4508 0 8 2 64.71 7.94 1.4401 2 4 3 64.69 1.97 1.4405 4 6 0 64.98 2.01 1.4348 -4 6 3 65.09 2.06 1.4325 -5 5 2 65.17 6.23 1.4309 -6 0 2 65.84 1.48 1.4180 1 9 0 66.37 6.28 1.4080 4 0 2 67.03 2.45 1.3957 -4 0 5 67.43 2.18 1.3884 -5 5 3 67.65 3.21 1.3843 -2 6 4 67.68 1.28 1.3838 1 3 4 67.96 1.04 1.3789 -6 2 3 68.35 1.10 1.3719 -1 1 5 68.77 1.99 1.3645 -4 2 5 69.42 2.39 1.3534 -6 2 1 70.26 4.99 1.3392 -1 9 2 70.71 2.33 1.3318 -6 0 4 71.78 5.17 1.3144 -1 3 5 72.07 1.61 1.3099 -2 4 5 72.04 1.35 1.3104 -5 1 5 72.19 1.93 1.3080 5 3 1 72.55 2.33 1.3025 2 0 4 72.82 1.37 1.2983 0 10 0 72.90 1.30 1.2970 0 8 3 72.97 1.37 1.2960 0 6 4 73.25 1.04 1.2917 4 4 2 73.41 1.12 1.2893 -4 8 1 73.50 9.22 1.2879 -4 8 2 73.57 1.95 1.2869 6 0 0 73.88 2.25 1.2822 -4 4 5 74.18 9.49 1.2777 2 8 2 74.51 2.60 1.2729 -6 4 1 74.82 2.03 1.2685 -3 9 2 75.40 2.82 1.2600 -5 3 5 75.57 3.05 1.2577 -3 5 5 78.36 1.20 1.2197 3 5 3 79.28 1.55 1.2078 -2 10 2 79.51 1.06 1.2050 0 10 2 80.38 1.11 1.1940 -2 6 5 83.62 3.72 1.1558 -4 8 4 84.50 3.75 1.1460 0 8 4 86.38 3.06 1.1258 4 4 3 87.73 1.35 1.1119 -1 9 4 89.04 1.19 1.0989 6 4 1 89.02 1.55 1.0991 7 1 0 89.02 1.55 1.0991 7 1 0 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.