Pargasite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060072 Welch M D, Knight K S European Journal of Mineralogy 11 (1999) 321-331 A neutron powder diffraction study of cation ordering in high-temperature synthetic amphiboles CELL PARAMETERS: 9.827700 17.93000 5.293100 90.00000 105.1680 90.00000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 9.95 20.74 8.9321 0 2 0 10.60 37.83 8.3794 1 1 0 17.35 2.42 5.1213 0 0 1 17.62 5.00 5.0437 1 3 0 18.10 19.24 4.9099 -1 1 1 19.92 18.14 4.4660 0 4 0 21.24 5.49 4.1897 2 2 0 22.39 8.37 3.9760 1 1 1 22.98 17.80 3.8764 -1 3 1 26.52 74.65 3.3648 1 3 1 26.69 1.05 3.3436 1 5 0 27.46 62.96 3.2518 2 4 0 28.69 70.40 3.1142 3 1 0 28.87 1.25 3.0958 2 0 1 29.46 7.87 3.0349 -3 1 1 30.56 8.06 2.9275 -1 5 1 30.59 68.68 2.9251 2 2 1 32.07 17.19 2.7931 3 3 0 32.76 43.16 2.7355 -3 3 1 33.36 100.00 2.6874 1 5 1 34.88 70.41 2.5740 0 6 1 35.06 17.46 2.5607 0 0 2 35.17 82.05 2.5533 -2 0 2 36.52 1.21 2.4615 0 2 2 36.62 1.30 2.4550 -2 2 2 37.35 5.47 2.4090 -4 0 1 37.49 7.61 2.4001 -2 6 1 38.02 10.78 2.3681 3 5 0 38.62 43.50 2.3327 -3 5 1 38.73 24.51 2.3259 -4 2 1 39.49 33.48 2.2828 -1 7 1 39.32 16.10 2.2924 -3 1 2 40.24 2.51 2.2418 3 3 1 40.63 4.26 2.2214 0 4 2 40.72 9.87 2.2166 -2 4 2 41.77 2.42 2.1634 1 7 1 42.12 47.00 2.1460 2 6 1 41.94 2.84 2.1549 -3 3 2 42.43 8.36 2.1311 -1 5 2 44.44 24.25 2.0391 2 0 2 44.87 3.40 2.0204 2 8 0 44.70 21.37 2.0280 -4 0 2 45.27 17.82 2.0036 3 5 1 45.69 4.47 1.9861 3 7 0 45.65 1.33 1.9880 2 2 2 46.21 1.63 1.9650 -3 7 1 46.77 6.21 1.9428 1 9 0 46.82 5.80 1.9408 -3 5 2 48.24 11.68 1.8870 5 1 0 48.63 2.85 1.8728 -4 6 1 49.03 1.11 1.8582 -5 3 1 49.26 10.23 1.8501 -1 9 1 49.12 3.54 1.8549 2 4 2 49.36 5.47 1.8465 -4 4 2 49.55 5.02 1.8400 -1 7 2 50.49 4.39 1.8080 5 3 0 51.14 4.03 1.7864 0 10 0 51.80 2.87 1.7652 3 1 2 52.10 4.81 1.7555 -5 1 2 53.94 1.93 1.7000 3 3 2 54.40 2.32 1.6867 0 10 1 54.13 1.69 1.6945 -3 1 3 54.25 9.68 1.6908 -1 3 3 54.59 2.10 1.6812 3 9 0 54.60 5.98 1.6809 -2 8 2 54.75 12.27 1.6768 0 2 3 55.04 1.53 1.6684 -3 9 1 56.11 32.45 1.6391 4 6 1 56.61 7.79 1.6259 4 8 0 57.58 10.44 1.6007 1 11 0 58.35 6.70 1.5813 6 0 0 58.36 26.30 1.5813 -1 5 3 59.35 1.23 1.5571 6 2 0 59.55 2.00 1.5524 -5 7 1 59.74 12.44 1.5479 4 0 2 60.08 13.08 1.5398 -6 0 2 60.72 1.32 1.5252 4 2 2 60.83 1.40 1.5228 5 7 0 61.12 35.77 1.5161 -2 6 3 61.44 7.09 1.5089 1 9 2 61.58 1.53 1.5059 -3 9 2 61.79 7.92 1.5013 -4 8 2 62.37 17.76 1.4887 0 12 0 62.17 4.66 1.4930 5 5 1 63.56 2.90 1.4637 -2 10 2 63.44 1.85 1.4661 1 5 3 63.46 2.56 1.4658 2 2 3 63.61 2.43 1.4626 4 4 2 63.95 1.78 1.4557 -6 4 2 64.19 4.52 1.4508 -1 7 3 64.49 8.42 1.4447 3 11 0 64.90 3.41 1.4365 -3 11 1 64.97 47.95 1.4352 -6 6 1 64.99 2.50 1.4348 -5 3 3 65.39 1.97 1.4270 4 10 0 65.96 1.39 1.4161 -3 7 3 66.28 1.40 1.4099 -4 6 3 67.23 1.72 1.3922 6 2 1 68.70 7.18 1.3661 -5 5 3 69.16 14.92 1.3580 5 1 2 69.54 3.04 1.3515 7 1 0 70.78 8.99 1.3309 1 11 2 71.02 2.03 1.3270 -1 13 1 70.91 4.76 1.3288 -3 11 2 70.86 7.42 1.3295 2 6 3 70.98 3.22 1.3277 5 3 2 71.36 1.26 1.3215 -7 3 2 71.54 4.14 1.3186 -5 9 2 71.56 1.62 1.3183 -1 9 3 71.94 6.85 1.3122 -1 1 4 72.21 8.90 1.3079 -7 5 1 72.58 1.30 1.3022 1 13 1 72.07 2.84 1.3103 -3 1 4 73.24 2.02 1.2921 -3 9 3 73.58 5.77 1.2870 0 12 2 73.64 14.73 1.2861 -2 12 2 73.72 2.24 1.2848 -1 3 4 73.85 1.97 1.2829 -3 3 4 74.02 3.21 1.2803 0 0 4 74.46 3.66 1.2739 6 6 1 74.55 1.51 1.2726 5 5 2 74.27 5.02 1.2766 -4 0 4 74.89 1.09 1.2676 -6 8 2 77.29 1.78 1.2342 0 10 3 77.54 1.38 1.2308 0 4 4 77.81 1.14 1.2271 4 2 3 78.32 1.76 1.2204 -1 13 2 78.57 3.29 1.2172 -2 14 1 78.54 1.34 1.2176 -8 2 1 79.40 1.10 1.2066 7 3 1 79.93 1.30 1.1998 3 7 3 80.34 9.04 1.1948 -5 11 2 81.06 2.72 1.1860 8 0 0 81.58 1.45 1.1797 2 14 1 82.59 1.09 1.1678 6 4 2 83.01 1.52 1.1630 -8 4 2 83.16 5.44 1.1612 2 0 4 83.62 1.26 1.1560 -5 5 4 84.77 2.29 1.1432 1 15 1 84.85 1.84 1.1424 2 10 3 86.67 1.03 1.1230 5 9 2 86.80 1.42 1.1216 3 9 3 87.02 3.27 1.1193 7 9 0 87.64 1.99 1.1130 5 13 0 87.06 3.82 1.1189 -6 4 4 87.99 1.96 1.1095 5 3 3 87.99 1.73 1.1095 -7 7 3 88.39 1.05 1.1055 1 7 4 89.28 1.78 1.0967 -1 9 4 89.89 1.91 1.0909 0 16 1 89.89 1.91 1.0909 0 16 1 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.