Richterite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern R060034 Della Ventura G, Robert J-L, Beny J-M, Raudsepp M, Hawthorne F C American Mineralogist 78 (1993) 980-987 The OH-F substitution in Ti-rich potassium richterite: Rietveld structure refinement and FTIR and micro-Raman spectroscopic studies of synthetic amphiboles in the system K2O-Na2O-CaO-MgO-SiO2-TiO2-H2O-HF Sample Rich60 Atomic parameters from ICSD CELL PARAMETERS: 10.04270 18.02540 5.292200 90.00000 104.8750 90.00000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 9.87 3.72 9.0182 0 2 0 10.43 27.64 8.5306 1 1 0 18.16 10.12 4.8990 -1 1 1 18.38 10.19 4.8410 2 0 0 19.74 25.64 4.5091 0 4 0 22.29 15.29 3.9973 1 1 1 22.94 19.93 3.8849 -1 3 1 24.00 2.05 3.7156 -2 2 1 26.36 84.16 3.3869 1 3 1 26.42 1.00 3.3793 0 4 1 26.41 1.06 3.3803 1 5 0 27.07 71.67 3.2995 2 4 0 28.13 62.71 3.1768 3 1 0 29.13 12.52 3.0701 -3 1 1 29.58 1.16 3.0245 -2 4 1 30.25 60.46 2.9583 2 2 1 30.41 22.96 2.9432 -1 5 1 31.50 23.21 2.8435 3 3 0 32.40 45.55 2.7662 -3 3 1 33.12 100.00 2.7081 1 5 1 34.34 1.38 2.6139 -1 1 2 34.67 49.29 2.5902 0 6 1 35.20 8.43 2.5521 0 0 2 35.30 78.37 2.5452 -2 0 2 37.18 3.14 2.4205 4 0 0 37.19 2.55 2.4197 -2 6 1 37.42 12.14 2.4052 3 5 0 38.16 24.27 2.3601 -4 2 1 38.20 25.61 2.3579 -3 5 1 39.22 26.31 2.2989 -1 7 1 39.29 18.29 2.2950 -3 1 2 39.67 1.55 2.2737 3 3 1 40.02 2.15 2.2546 0 8 0 40.65 1.62 2.2210 0 4 2 40.74 11.20 2.2165 -2 4 2 41.42 3.73 2.1815 1 7 1 41.68 36.88 2.1686 2 6 1 41.86 9.20 2.1594 -3 3 2 42.44 7.83 2.1314 -1 5 2 44.22 18.76 2.0496 2 0 2 44.35 1.24 2.0438 2 8 0 44.46 10.81 2.0389 -4 0 2 44.66 9.52 2.0302 3 5 1 45.05 3.06 2.0136 3 7 0 46.29 7.39 1.9625 1 9 0 46.62 2.59 1.9492 4 2 1 46.66 5.46 1.9476 -3 5 2 47.23 16.68 1.9253 5 1 0 47.98 6.02 1.8970 -4 6 1 48.83 2.37 1.8659 2 4 2 48.86 9.80 1.8647 -1 9 1 49.06 3.96 1.8578 -4 4 2 49.47 4.53 1.8431 5 3 0 50.63 5.47 1.8036 0 10 0 50.73 4.56 1.8004 1 9 1 51.33 1.02 1.7807 3 1 2 51.62 3.47 1.7713 -5 1 2 53.93 1.03 1.7006 0 10 1 54.31 2.19 1.6897 0 8 2 54.29 1.49 1.6901 2 10 0 54.38 4.36 1.6876 -2 8 2 54.49 7.57 1.6845 -1 3 3 54.46 4.27 1.6855 -3 9 1 54.93 9.04 1.6719 0 2 3 55.25 32.68 1.6631 4 6 1 55.73 6.01 1.6498 4 8 0 57.09 4.04 1.6137 6 0 0 56.98 9.87 1.6167 1 11 0 58.50 21.81 1.5780 -1 5 3 58.65 3.06 1.5744 -5 7 1 59.00 5.07 1.5658 4 0 2 59.12 2.70 1.5629 2 10 1 59.34 15.58 1.5578 -6 0 2 61.07 5.90 1.5176 5 5 1 61.06 6.07 1.5178 1 9 2 61.21 28.86 1.5144 -2 6 3 61.19 1.33 1.5148 -3 9 2 61.31 5.36 1.5122 -4 8 2 61.73 14.43 1.5030 0 12 0 62.83 5.24 1.4791 4 4 2 62.76 1.09 1.4807 0 6 3 63.15 3.26 1.4724 -6 4 2 63.30 2.24 1.4694 2 2 3 63.19 2.37 1.4716 -2 10 2 63.66 3.64 1.4618 3 11 0 63.84 32.10 1.4581 -6 6 1 64.22 2.91 1.4504 -1 7 3 64.17 1.75 1.4515 -4 10 1 64.19 2.29 1.4510 -3 11 1 64.43 1.60 1.4463 4 10 0 64.79 3.72 1.4390 -5 3 3 65.88 1.82 1.4178 6 2 1 66.20 1.02 1.4117 -5 9 1 67.22 1.37 1.3927 -7 3 1 67.98 3.27 1.3791 7 1 0 68.13 13.64 1.3763 5 1 2 68.44 4.13 1.3709 -5 5 3 69.41 1.18 1.3540 2 10 2 69.77 1.50 1.3479 7 3 0 69.92 4.04 1.3454 5 3 2 70.00 1.12 1.3441 -6 2 3 70.25 6.46 1.3398 1 11 2 70.37 4.92 1.3378 -3 11 2 70.58 6.33 1.3345 2 6 3 70.81 10.66 1.3307 -7 5 1 70.80 2.18 1.3308 -5 9 2 71.45 1.58 1.3202 -1 9 3 71.96 3.18 1.3122 6 8 0 72.33 7.70 1.3063 -1 1 4 72.45 2.69 1.3044 -3 1 4 73.03 3.33 1.2955 6 6 1 73.07 1.11 1.2950 -3 9 3 73.06 6.21 1.2951 0 12 2 73.12 18.52 1.2942 -2 12 2 74.08 2.83 1.2797 -1 3 4 74.20 1.43 1.2780 -3 3 4 74.33 3.14 1.2760 0 0 4 74.27 1.87 1.2769 4 12 0 74.57 5.98 1.2726 -4 0 4 76.04 1.79 1.2514 -7 7 1 77.12 1.49 1.2366 4 2 3 77.05 1.36 1.2376 0 10 3 77.76 1.34 1.2281 6 0 2 77.74 1.87 1.2283 -1 13 2 79.12 2.30 1.2102 8 0 0 79.46 7.06 1.2060 -5 11 2 81.57 3.70 1.1800 -8 4 2 81.66 1.93 1.1789 -6 10 2 83.10 5.34 1.1621 2 0 4 83.91 2.20 1.1529 4 6 3 83.83 1.34 1.1538 1 15 1 84.32 1.57 1.1484 2 10 3 85.23 2.86 1.1383 7 9 0 86.22 1.53 1.1278 5 13 0 86.94 1.02 1.1204 5 3 3 86.91 2.82 1.1206 -6 4 4 87.11 2.12 1.1186 -7 7 3 88.88 1.66 1.1008 0 16 1 89.33 1.45 1.0965 3 13 2 89.80 2.02 1.0919 3 1 4 89.80 2.02 1.0919 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.