Actinolite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060041 Evans B W, Yang H American Mineralogist 83 (1998) 458-475 Fe-Mg order-disorder in tremolite-actinolite-ferro-actinolite at ambient and high temperature Sample: C80, NMNH 168215, from Goose Creek Quarry, Leesburg, Virginia, in an alteration of hornblende, after heating at 700 C CELL PARAMETERS: 9.866000 18.09800 5.284000 90.00000 104.7700 90.00000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 9.78 29.66 9.0658 0 2 0 10.50 90.86 8.4506 1 1 0 17.34 2.13 5.1199 0 0 1 17.39 5.54 5.1073 1 3 0 18.15 24.37 4.8946 -1 1 1 19.60 20.91 4.5329 0 4 0 19.94 1.64 4.4581 0 2 1 21.04 5.36 4.2253 2 2 0 22.00 1.13 4.0431 -2 0 1 22.25 3.28 3.9980 1 1 1 22.88 15.91 3.8903 -1 3 1 26.28 54.70 3.3923 1 3 1 27.14 34.74 3.2877 2 4 0 28.48 65.25 3.1358 3 1 0 28.64 1.23 3.1187 2 0 1 29.45 2.50 3.0343 -3 1 1 30.29 3.00 2.9521 -1 5 1 30.32 33.26 2.9491 2 2 1 31.78 11.45 2.8169 3 3 0 32.66 26.18 2.7426 -3 3 1 32.99 100.00 2.7160 1 5 1 34.47 40.49 2.6024 0 6 1 35.06 4.56 2.5599 0 0 2 35.32 60.90 2.5416 -2 0 2 36.48 1.35 2.4636 0 2 2 36.73 1.85 2.4473 -2 2 2 37.15 1.09 2.4205 -2 6 1 37.19 1.16 2.4177 3 1 1 37.60 6.04 2.3925 3 5 0 38.36 35.25 2.3465 -3 5 1 38.63 12.82 2.3309 -4 2 1 39.03 14.32 2.3079 -1 7 1 39.47 19.16 2.2832 -3 1 2 39.85 1.33 2.2622 3 3 1 40.70 5.97 2.2169 -2 4 2 41.23 4.73 2.1897 1 7 1 41.61 32.54 2.1702 2 6 1 42.01 4.04 2.1509 -3 3 2 42.27 2.72 2.1379 -1 5 2 44.19 17.44 2.0494 2 0 2 44.77 15.91 2.0241 3 5 1 44.83 11.12 2.0216 -4 0 2 45.12 5.29 2.0093 3 7 0 45.78 1.48 1.9818 -3 7 1 46.04 5.01 1.9712 1 9 0 46.74 3.23 1.9432 -3 5 2 46.98 1.66 1.9341 4 2 1 47.88 5.60 1.8998 5 1 0 48.27 3.42 1.8851 -4 6 1 48.61 8.51 1.8729 -1 9 1 48.76 2.76 1.8674 2 4 2 49.21 3.16 1.8513 -1 7 2 49.35 3.38 1.8463 -4 4 2 50.07 3.17 1.8215 5 3 0 50.32 2.64 1.8132 0 10 0 52.18 5.56 1.7526 -5 1 2 53.09 2.00 1.7247 -5 5 1 53.23 1.05 1.7205 -3 7 2 53.61 1.74 1.7091 0 10 1 54.09 1.13 1.6951 2 10 0 54.21 6.51 1.6916 -2 8 2 54.29 7.06 1.6892 -1 3 3 54.42 1.61 1.6856 -3 9 1 54.72 5.09 1.6772 0 2 3 55.48 25.17 1.6559 4 6 1 55.92 6.93 1.6439 4 8 0 56.65 13.01 1.6243 1 11 0 57.91 4.53 1.5919 6 0 0 58.27 22.57 1.5829 -1 5 3 58.90 1.01 1.5675 2 10 1 59.24 5.47 1.5593 4 0 2 60.11 10.83 1.5389 -6 0 2 60.27 1.04 1.5351 -3 5 3 60.77 3.98 1.5236 1 9 2 61.04 20.97 1.5175 -2 6 3 61.34 10.58 1.5110 0 12 0 61.44 2.37 1.5086 -4 8 2 61.51 5.85 1.5071 5 5 1 62.48 1.60 1.4860 0 6 3 62.95 2.22 1.4761 -2 10 2 63.02 3.15 1.4745 4 4 2 63.15 1.04 1.4719 1 5 3 63.17 1.76 1.4715 2 2 3 63.24 1.05 1.4700 3 7 2 63.54 4.69 1.4638 3 11 0 63.86 2.76 1.4572 -6 4 2 63.95 3.07 1.4554 -1 7 3 64.06 1.09 1.4531 -3 11 1 64.53 29.37 1.4437 -6 6 1 64.51 1.46 1.4440 4 10 0 65.19 1.82 1.4306 -5 3 3 68.53 11.70 1.3687 5 1 2 68.79 4.78 1.3643 -5 5 3 69.00 2.84 1.3606 7 1 0 69.89 7.55 1.3454 1 11 2 70.21 4.39 1.3401 -3 11 2 70.30 2.54 1.3386 5 3 2 70.37 5.46 1.3373 2 6 3 71.08 2.09 1.3258 -5 9 2 71.12 1.04 1.3252 -1 9 3 71.76 8.27 1.3149 -7 5 1 72.07 6.11 1.3100 -1 1 4 72.63 4.73 1.3012 0 12 2 72.79 13.61 1.2988 -2 12 2 72.92 1.19 1.2968 -3 9 3 73.63 1.87 1.2859 6 6 1 73.80 1.68 1.2834 -1 3 4 74.03 3.48 1.2800 0 0 4 74.11 1.06 1.2788 -3 3 4 74.66 5.17 1.2708 -4 0 4 76.92 1.06 1.2390 -7 7 1 77.33 1.82 1.2334 -2 14 1 78.36 1.02 1.2198 6 0 2 79.64 8.87 1.2034 -5 11 2 80.39 2.30 1.1939 8 0 0 82.78 1.29 1.1655 -8 4 2 82.87 4.50 1.1644 2 0 4 83.31 1.05 1.1594 1 15 1 83.98 1.46 1.1518 2 10 3 86.01 2.63 1.1298 7 9 0 87.19 1.10 1.1174 5 3 3 87.39 1.76 1.1154 -6 4 4 87.87 1.04 1.1105 -7 7 3 88.28 1.20 1.1064 0 16 1 89.65 1.71 1.0930 3 1 4 89.65 1.71 1.0930 3 1 4 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.