Labradorite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060221 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 Sissone x-ray feldspar CELL PARAMETERS: 8.174700 12.87060 7.101400 93.46100 116.0860 90.51400 SPACE GROUP: C-1 X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 13.71 7.60 6.4865 -1 1 0 15.28 1.16 5.8189 -1 -1 1 18.96 7.48 4.6921 0 -2 1 22.03 76.83 4.0430 -2 0 1 22.81 15.90 3.9064 1 -1 1 23.68 39.87 3.7643 -1 3 0 23.70 24.81 3.7611 1 1 1 24.52 32.36 3.6373 1 3 0 24.62 14.24 3.6228 -1 -3 1 25.49 1.47 3.4997 -1 3 1 25.70 13.47 3.4715 -1 -1 2 26.06 4.44 3.4245 -2 -2 1 26.53 25.33 3.3656 -1 1 2 27.54 53.14 3.2433 -2 2 0 27.82 57.97 3.2116 0 4 0 27.90 90.02 3.2020 -2 0 2 28.07 100.00 3.1831 0 0 2 28.51 42.65 3.1349 2 2 0 29.51 24.11 3.0311 1 -3 1 30.30 25.08 2.9534 0 -4 1 30.48 15.63 2.9367 0 -2 2 30.77 11.36 2.9095 -2 -2 2 31.58 23.64 2.8361 1 3 1 31.82 8.73 2.8156 -1 -3 2 33.82 14.06 2.6531 -1 3 2 35.25 3.20 2.5489 2 -2 1 35.57 5.03 2.5267 1 -1 2 35.68 4.44 2.5185 -3 -1 2 35.70 29.15 2.5171 -2 -4 1 35.77 20.28 2.5124 -2 4 1 35.91 1.46 2.5030 -3 1 2 36.47 2.23 2.4660 -2 4 0 36.63 1.07 2.4555 -1 5 0 36.83 3.54 2.4428 2 2 1 37.15 4.12 2.4222 -3 1 0 37.25 5.30 2.4160 -1 -5 1 37.71 3.12 2.3873 3 1 0 37.97 3.10 2.3715 2 4 0 38.26 2.91 2.3543 -1 5 1 39.01 5.84 2.3106 -3 3 1 39.50 6.70 2.2829 -3 -3 1 39.79 3.20 2.2671 -1 1 3 39.99 1.63 2.2561 1 -3 2 40.43 4.77 2.2325 1 -5 1 40.55 2.39 2.2263 -2 4 2 41.36 1.76 2.1842 0 4 2 41.81 1.45 2.1622 -3 3 0 41.88 2.65 2.1587 -2 2 3 42.20 1.21 2.1428 -1 -5 2 42.24 9.18 2.1411 0 6 0 42.40 12.68 2.1330 2 -4 1 43.07 9.04 2.1015 1 5 1 43.25 1.83 2.0932 -3 1 3 43.32 1.50 2.0899 3 3 0 44.82 1.40 2.0231 -1 5 2 44.86 2.31 2.0215 -4 0 2 44.99 3.43 2.0161 -4 0 1 45.20 1.13 2.0072 2 0 2 45.36 1.80 2.0005 3 -1 1 45.55 2.23 1.9927 -1 3 3 45.68 4.85 1.9870 0 6 1 46.17 1.94 1.9673 3 1 1 46.52 3.21 1.9532 2 -2 2 47.13 3.15 1.9293 -4 -2 2 47.18 9.54 1.9272 -4 2 2 48.38 4.90 1.8822 -2 6 0 48.42 1.06 1.8807 -3 5 1 48.42 7.63 1.8806 2 2 2 49.07 1.53 1.8574 3 -3 1 49.33 11.36 1.8482 -4 0 3 49.48 1.44 1.8429 -2 4 3 49.61 3.57 1.8383 0 -6 2 49.68 14.25 1.8359 4 0 0 49.72 2.66 1.8346 1 -1 3 49.80 2.51 1.8316 0 -4 3 50.18 4.90 1.8187 2 6 0 50.40 3.11 1.8114 -2 -6 2 50.79 8.89 1.7983 1 1 3 50.82 2.14 1.7972 -1 7 0 51.29 1.04 1.7819 -1 -7 1 51.33 1.16 1.7807 3 3 1 51.58 22.72 1.7725 -2 0 4 52.12 5.67 1.7554 2 -4 2 52.30 1.91 1.7499 -2 6 2 52.39 1.38 1.7470 -1 7 1 52.39 1.14 1.7471 4 2 0 52.42 1.78 1.7460 1 5 2 52.75 2.99 1.7358 -2 -2 4 52.89 1.51 1.7318 1 -3 3 53.15 3.34 1.7236 -4 4 1 53.25 2.85 1.7206 0 6 2 53.44 2.11 1.7151 0 4 3 53.53 6.22 1.7123 -4 -4 2 53.63 3.56 1.7093 -4 4 2 54.23 1.65 1.6918 -4 -4 1 54.55 3.91 1.6828 -2 2 4 54.90 1.41 1.6730 -3 -5 3 55.60 3.32 1.6534 2 4 2 56.28 1.23 1.6350 -1 -3 4 56.50 1.39 1.6291 -3 -3 4 56.62 1.64 1.6259 3 -5 1 56.94 1.05 1.6177 -4 -4 3 57.13 4.04 1.6125 -3 5 3 57.39 2.29 1.6058 0 8 0 58.11 1.22 1.5877 4 0 1 58.19 1.63 1.5857 -5 1 1 58.26 1.45 1.5841 0 -8 1 58.78 2.26 1.5712 0 -2 4 58.94 1.85 1.5673 -4 -2 4 59.58 1.32 1.5520 3 -3 2 59.93 1.39 1.5436 2 -2 3 60.02 2.94 1.5415 3 5 1 60.09 2.09 1.5400 -4 2 4 60.08 1.04 1.5402 1 -7 2 60.78 1.17 1.5240 -5 -3 2 60.97 1.05 1.5197 0 2 4 61.16 1.45 1.5155 2 -6 2 61.24 1.81 1.5137 -2 4 4 62.17 5.21 1.4934 -2 -8 1 62.18 5.60 1.4930 -2 8 0 62.38 1.36 1.4889 3 3 2 62.64 3.79 1.4833 -5 -3 3 62.64 5.46 1.4832 -4 6 1 62.95 1.31 1.4767 0 -8 2 63.12 2.52 1.4731 -5 3 3 63.21 1.18 1.4713 -4 -6 2 63.34 3.92 1.4685 -4 6 2 63.94 6.07 1.4562 0 6 3 64.22 3.47 1.4504 2 8 0 64.46 3.43 1.4455 2 -4 3 65.09 1.05 1.4331 1 -1 4 65.36 1.81 1.4278 -5 1 4 65.68 1.41 1.4217 -4 6 0 65.87 1.09 1.4181 -3 -7 3 65.85 1.62 1.4185 2 -8 1 65.87 4.01 1.4180 2 6 2 66.26 1.78 1.4106 1 1 4 67.11 2.42 1.3948 4 4 1 67.32 3.15 1.3909 1 9 0 67.53 5.46 1.3871 1 -3 4 67.71 2.81 1.3838 -4 6 3 68.12 3.89 1.3764 -5 -3 4 68.26 3.23 1.3741 1 -9 1 68.33 1.12 1.3728 5 3 0 68.56 2.64 1.3687 2 4 3 68.64 2.27 1.3673 4 6 0 68.79 4.07 1.3648 -4 0 5 69.03 6.82 1.3605 -6 0 2 69.49 4.90 1.3527 -1 -9 2 69.46 6.68 1.3533 4 0 2 69.77 1.79 1.3480 -4 -2 5 69.86 2.02 1.3464 2 8 1 70.12 3.05 1.3421 -1 1 5 70.22 1.09 1.3403 4 -2 2 70.46 1.87 1.3364 -5 5 3 71.01 1.34 1.3274 -6 -2 2 71.04 1.56 1.3269 0 -8 3 71.26 1.29 1.3233 0 -6 4 71.33 2.79 1.3221 -1 -3 5 71.35 1.15 1.3219 3 1 3 71.56 1.14 1.3184 -6 2 3 72.36 1.13 1.3058 -4 -6 4 72.60 1.11 1.3021 3 -3 3 72.92 1.71 1.2972 -1 9 2 72.95 3.19 1.2967 2 -8 2 74.06 1.13 1.2800 -6 0 4 74.67 1.30 1.2710 -3 9 1 74.72 1.39 1.2704 2 0 4 74.82 1.20 1.2689 -4 8 1 75.52 2.12 1.2588 -6 4 2 75.54 3.71 1.2585 -4 -8 2 75.71 3.33 1.2562 -4 8 2 76.61 2.29 1.2435 -6 -4 3 76.88 1.49 1.2399 -5 -3 5 77.22 1.99 1.2353 -4 4 5 77.76 1.01 1.2280 -6 4 1 78.07 3.59 1.2239 6 0 0 78.26 1.20 1.2214 4 4 2 78.75 4.00 1.2151 2 8 2 79.20 1.98 1.2093 -3 5 5 80.44 1.20 1.1937 6 2 0 81.88 1.10 1.1763 -4 -6 5 82.44 1.57 1.1697 1 -7 4 82.53 1.21 1.1687 -1 5 5 82.71 1.87 1.1666 -3 9 3 83.37 2.64 1.1590 -6 4 0 83.66 2.18 1.1557 3 5 3 84.36 1.25 1.1478 -5 -7 4 84.65 2.16 1.1447 -2 6 5 85.36 1.37 1.1370 -1 -9 4 86.04 1.38 1.1297 -1 -11 2 86.11 2.26 1.1290 6 4 0 86.22 1.37 1.1278 -3 -9 4 87.64 1.01 1.1132 -4 8 4 87.64 1.01 1.1132 -4 8 4 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.