Tremolite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R040109 Yang H, Evans B W American Mineralogist 81 (1996) 1117-1125 X-ray structure refinements of tremolite at 140 and 295 K: Crystal chemistry and petrologic implications T = 295 K CELL PARAMETERS: 9.8490 18.0740 5.2800 90.000 104.754 90.000 SPACE GROUP: C2/m ATOM X Y Z OCCUPANCY ISO(B) Mg 0.00000 0.08769 0.50000 1.000 0.476 Mg 0.00000 0.17653 0.00000 1.000 0.480 Mg 0.00000 0.00000 0.00000 1.000 0.472 Ca 0.00000 0.27812 0.50000 0.500 0.659 Ca 0.00000 0.26120 0.50000 0.500 2.700 Si 0.28006 0.08408 0.29689 1.000 0.394 Si 0.28825 0.17112 0.80447 1.000 0.408 O 0.11186 0.08605 0.21749 1.000 0.520 O 0.11871 0.17120 0.72414 1.000 0.554 O 0.11036 0.00000 0.71619 1.000 0.647 O 0.36531 0.24781 0.79313 1.000 0.655 O 0.34592 0.13402 0.09930 1.000 0.639 O 0.34355 0.11863 0.58847 1.000 0.637 O 0.33662 0.00000 0.29264 1.000 0.716 H 0.20637 0.00000 0.77111 1.000 2.300 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 8 +/- 16 +/- 4 MAX. ABS. INTENSITY / VOLUME**2: 5.591193197 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 9.79 50.93 9.0370 0 2 0 10.50 85.71 8.4260 1 1 0 17.37 6.12 5.1059 0 0 1 17.42 9.40 5.0915 1 3 0 18.17 32.93 4.8813 -1 1 1 18.63 7.59 4.7621 2 0 0 19.65 24.56 4.5185 0 4 0 19.97 1.39 4.4454 0 2 1 21.09 11.05 4.2130 2 2 0 22.04 3.45 4.0322 -2 0 1 22.30 4.06 3.9867 1 1 1 22.93 34.77 3.8790 -1 3 1 26.34 1.03 3.3838 0 4 1 26.35 50.76 3.3824 1 3 1 27.21 44.53 3.2778 2 4 0 28.55 72.29 3.1269 3 1 0 28.71 2.52 3.1098 2 0 1 29.52 2.46 3.0260 -3 1 1 29.70 1.76 3.0085 -2 4 1 30.37 11.36 2.9432 -1 5 1 30.40 43.61 2.9406 2 2 1 31.86 12.98 2.8087 3 3 0 32.75 21.65 2.7348 -3 3 1 33.08 100.00 2.7078 1 5 1 34.57 39.97 2.5945 0 6 1 35.15 10.34 2.5530 0 0 2 35.25 1.05 2.5458 2 6 0 35.41 62.11 2.5348 -2 0 2 36.58 2.10 2.4568 0 2 2 36.83 2.99 2.4406 -2 2 2 37.26 3.38 2.4133 -2 6 1 37.39 1.31 2.4053 -4 0 1 37.71 5.67 2.3854 3 5 0 38.48 32.79 2.3397 -3 5 1 38.74 17.18 2.3244 -4 2 1 39.15 15.09 2.3008 -1 7 1 39.58 21.75 2.2771 -3 1 2 40.82 8.20 2.2107 -2 4 2 41.36 7.71 2.1829 1 7 1 41.68 1.17 2.1670 1 3 2 41.75 33.89 2.1637 2 6 1 42.13 4.38 2.1449 -3 3 2 42.40 2.14 2.1318 -1 5 2 43.82 1.01 2.0660 0 8 1 44.32 17.25 2.0437 2 0 2 44.38 1.11 2.0412 2 8 0 44.91 11.88 2.0181 3 5 1 44.96 9.12 2.0161 -4 0 2 45.27 5.50 2.0032 3 7 0 45.93 2.75 1.9758 -3 7 1 46.13 1.50 1.9677 -4 2 2 46.20 4.32 1.9650 1 9 0 46.89 2.90 1.9377 -3 5 2 47.13 1.98 1.9285 4 2 1 48.03 8.42 1.8944 5 1 0 48.43 2.85 1.8796 -4 6 1 48.77 10.69 1.8671 -1 9 1 48.91 2.83 1.8621 2 4 2 49.37 3.37 1.8458 -1 7 2 49.51 3.93 1.8411 -4 4 2 50.23 4.36 1.8162 5 3 0 50.50 1.25 1.8074 0 10 0 50.64 1.18 1.8024 1 9 1 52.35 5.71 1.7478 -5 1 2 53.80 1.20 1.7038 0 10 1 54.21 2.07 1.6919 0 8 2 54.40 6.29 1.6866 -2 8 2 54.47 7.08 1.6846 -1 3 3 54.61 1.80 1.6805 -3 9 1 54.89 6.66 1.6726 0 2 3 55.67 28.07 1.6511 4 6 1 56.12 6.56 1.6389 4 8 0 56.86 12.08 1.6192 1 11 0 58.11 4.07 1.5874 6 0 0 58.47 22.12 1.5785 -1 5 3 59.12 2.05 1.5627 2 10 1 59.44 5.13 1.5549 4 0 2 60.31 10.83 1.5346 -6 0 2 60.99 3.72 1.5191 1 9 2 61.25 23.25 1.5133 -2 6 3 61.57 13.43 1.5062 0 12 0 61.66 3.78 1.5042 -4 8 2 61.73 4.56 1.5027 5 5 1 62.70 1.30 1.4818 0 6 3 63.18 1.07 1.4716 -2 10 2 63.25 4.40 1.4703 4 4 2 63.38 1.95 1.4674 2 2 3 63.78 3.79 1.4592 3 11 0 64.08 3.67 1.4531 -6 4 2 64.18 4.29 1.4512 -1 7 3 64.31 1.03 1.4486 -3 11 1 64.49 1.44 1.4449 -4 10 1 64.76 32.70 1.4395 -6 6 1 65.41 1.47 1.4267 -5 3 3 66.83 1.38 1.3999 6 2 1 68.78 12.96 1.3648 5 1 2 69.03 4.41 1.3605 -5 5 3 69.25 2.93 1.3568 7 1 0 70.16 7.25 1.3413 1 11 2 70.19 1.32 1.3408 -1 13 1 70.48 3.85 1.3361 -3 11 2 70.56 3.39 1.3347 5 3 2 70.64 5.81 1.3335 2 6 3 71.35 1.96 1.3219 -5 9 2 71.39 1.35 1.3213 -1 9 3 72.03 7.94 1.3111 -7 5 1 72.33 6.95 1.3064 -1 1 4 72.64 1.10 1.3015 -3 1 4 72.82 1.82 1.2988 6 8 0 72.92 5.68 1.2972 0 12 2 73.08 17.63 1.2948 -2 12 2 73.20 1.33 1.2930 -3 9 3 73.92 2.95 1.2822 6 6 1 74.07 2.10 1.2799 -1 3 4 74.31 3.44 1.2765 0 0 4 74.38 1.40 1.2754 -3 3 4 74.55 1.41 1.2729 4 12 0 74.93 5.24 1.2674 -4 0 4 76.95 1.08 1.2391 0 10 3 77.22 1.56 1.2354 -7 7 1 77.52 1.36 1.2314 4 2 3 77.66 1.24 1.2295 -2 14 1 78.36 1.08 1.2203 -4 4 4 79.96 8.91 1.1998 -5 11 2 80.71 2.27 1.1905 8 0 0 83.11 1.71 1.1622 -8 4 2 83.19 4.77 1.1612 2 0 4 83.68 1.41 1.1558 1 15 1 84.28 1.59 1.1490 4 6 3 84.34 1.31 1.1484 2 10 3 86.38 2.76 1.1264 7 9 0 86.70 1.11 1.1230 5 13 0 87.56 1.08 1.1142 5 3 3 87.74 2.14 1.1124 -6 4 4 88.24 1.09 1.1074 -7 7 3 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.