Richterite Yang H, Konzett J, Prewitt C T, Fei Y American Mineralogist 84 (1999) 681-684 Single-crystal structure refinement of synthetic K-substituted potassic richterite, K(KCa)Mg5Si8O22(OH)2 _database_code_amcsd 0002223 CELL PARAMETERS: 10.1926 18.1209 5.2736 90.000 105.514 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 938.540 Density (g/cm3): 3.147 MAX. ABS. INTENSITY / VOLUME**2: 6.320481778 RIR: 0.654 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.76 2.72 9.0604 0 2 0 2 17.23 4.13 5.1451 1 3 0 4 17.45 2.88 5.0815 0 0 1 2 19.60 4.38 4.5302 0 4 0 2 20.03 4.29 4.4320 0 2 1 4 20.57 1.52 4.3173 2 2 0 4 21.54 1.73 4.1254 -2 0 1 2 22.29 26.63 3.9885 1 1 1 4 22.81 1.22 3.8989 -1 3 1 4 23.70 17.97 3.7545 -2 2 1 4 26.21 11.75 3.4001 1 5 0 4 26.32 100.00 3.3860 1 3 1 4 26.36 7.62 3.3815 0 4 1 4 26.77 82.71 3.3297 2 4 0 4 27.69 22.58 3.2216 3 1 0 4 28.64 17.39 3.1171 -3 1 1 4 29.28 3.35 3.0502 -2 4 1 4 29.58 1.71 3.0201 0 6 0 2 30.15 67.05 2.9641 2 2 1 4 30.24 18.46 2.9551 -1 5 1 4 31.07 21.67 2.8782 3 3 0 4 31.93 56.96 2.8029 -3 3 1 4 33.03 61.20 2.7121 1 5 1 4 34.37 5.29 2.6092 -1 1 2 4 34.55 50.15 2.5962 0 6 1 4 34.79 2.66 2.5789 2 4 1 4 34.88 3.74 2.5725 2 6 0 4 35.16 70.75 2.5523 -2 0 2 2 35.33 2.10 2.5407 0 0 2 2 35.87 1.41 2.5032 1 7 0 4 36.60 7.66 2.4553 4 0 0 2 36.88 1.37 2.4369 -2 6 1 4 37.00 19.86 2.4294 3 5 0 4 37.51 27.30 2.3979 -4 2 1 4 37.74 14.92 2.3836 -3 5 1 4 38.94 8.31 2.3128 -3 1 2 4 39.01 32.67 2.3088 -1 7 1 4 39.44 5.51 2.2846 3 3 1 4 39.80 2.13 2.2651 0 8 0 2 40.57 18.65 2.2237 -2 4 2 4 40.72 5.83 2.2160 0 4 2 4 41.42 1.33 2.1798 -4 4 1 4 41.51 38.76 2.1756 2 6 1 4 41.51 9.18 2.1754 -3 3 2 4 41.85 1.58 2.1586 4 4 0 4 42.39 11.99 2.1321 -1 5 2 4 43.76 1.45 2.0689 0 8 1 4 43.89 14.84 2.0627 -4 0 2 2 44.02 1.72 2.0568 2 8 0 4 44.31 20.74 2.0444 2 0 2 2 44.41 5.02 2.0399 3 5 1 4 44.62 1.05 2.0306 3 7 0 4 45.69 1.49 1.9855 -2 8 1 4 46.01 11.41 1.9724 1 9 0 4 46.30 9.33 1.9610 -3 5 2 4 46.50 17.04 1.9528 5 1 0 4 46.59 1.22 1.9494 -2 6 2 4 47.36 10.87 1.9197 -4 6 1 4 47.39 1.62 1.9184 -5 3 1 4 48.49 3.62 1.8773 -4 4 2 4 48.61 4.08 1.8730 -1 9 1 4 48.75 1.37 1.8680 5 3 0 4 49.62 1.24 1.8374 4 4 1 4 49.64 1.35 1.8364 2 8 1 4 50.36 7.37 1.8121 0 10 0 2 50.53 3.82 1.8063 1 9 1 4 51.14 1.14 1.7862 3 7 1 4 51.33 2.68 1.7801 3 1 2 4 52.56 1.60 1.7413 -1 1 3 4 53.03 1.45 1.7269 5 5 0 4 53.08 1.51 1.7253 1 7 2 4 53.93 3.39 1.7000 2 10 0 4 53.98 3.61 1.6987 -3 9 1 4 54.14 2.15 1.6942 -2 8 2 4 54.25 1.93 1.6908 0 8 2 4 54.62 9.20 1.6803 -1 3 3 4 54.86 27.04 1.6734 4 6 1 4 55.16 11.42 1.6650 0 2 3 4 55.17 3.72 1.6649 4 8 0 4 56.19 4.01 1.6369 6 0 0 2 56.29 1.30 1.6342 -2 4 3 4 56.66 5.50 1.6247 1 11 0 4 56.66 1.32 1.6245 5 3 1 4 57.45 1.69 1.6040 3 5 2 4 57.84 5.62 1.5941 -5 7 1 4 58.32 15.32 1.5821 -6 0 2 2 58.59 12.03 1.5754 -1 5 3 4 58.85 2.23 1.5691 2 10 1 4 58.88 5.23 1.5684 4 0 2 2 60.10 1.58 1.5395 6 4 0 4 60.55 3.99 1.5292 5 5 1 4 60.60 1.15 1.5280 1 11 1 4 60.73 4.93 1.5251 -4 8 2 4 60.78 3.31 1.5240 -3 9 2 4 61.00 6.75 1.5190 1 9 2 4 61.15 26.41 1.5156 -2 6 3 4 61.40 11.05 1.5101 0 12 0 2 62.15 1.00 1.4936 -6 4 2 4 62.69 5.97 1.4821 4 4 2 4 62.84 23.86 1.4788 -6 6 1 4 62.90 3.41 1.4776 -2 10 2 4 62.91 1.29 1.4773 0 6 3 4 63.01 1.55 1.4753 0 10 2 4 63.19 1.33 1.4715 3 11 0 4 63.53 1.35 1.4645 -4 10 1 4 63.69 2.87 1.4612 -3 11 1 4 63.84 3.81 1.4580 4 10 0 4 64.14 3.91 1.4519 -5 3 3 4 64.36 1.44 1.4475 0 12 1 4 65.20 2.75 1.4308 6 2 1 4 65.66 1.20 1.4219 -3 7 3 4 65.86 1.84 1.4181 -2 12 1 4 66.00 2.19 1.4155 -7 3 1 4 67.77 2.60 1.3827 -5 5 3 4 67.87 7.94 1.3810 5 1 2 4 68.68 1.59 1.3666 7 3 0 4 68.98 2.09 1.3614 -4 10 2 4 69.04 1.37 1.3605 1 7 3 4 69.09 1.53 1.3596 -6 2 3 4 69.29 2.85 1.3561 2 10 2 4 69.58 9.18 1.3511 -7 5 1 4 69.65 3.59 1.3500 5 3 2 4 69.92 3.39 1.3455 -3 11 2 4 70.00 2.80 1.3440 -5 9 2 4 70.12 3.51 1.3421 1 11 2 4 70.75 6.12 1.3316 2 6 3 4 71.05 3.37 1.3267 6 8 0 4 71.43 1.36 1.3206 -1 9 3 4 71.51 1.48 1.3194 1 13 1 4 72.33 1.22 1.3064 6 6 1 4 72.43 4.09 1.3048 -3 1 4 4 72.55 1.95 1.3030 -7 5 2 4 72.63 4.35 1.3017 -1 1 4 4 72.77 13.38 1.2996 -2 12 2 4 72.87 3.47 1.2981 0 12 2 4 73.15 1.90 1.2938 5 5 2 4 73.65 1.83 1.2863 4 12 0 4 74.33 4.84 1.2762 -4 0 4 2 74.36 2.44 1.2756 -1 3 4 4 74.72 2.20 1.2704 0 0 4 2 75.36 1.18 1.2612 -8 2 1 4 76.04 1.34 1.2516 2 14 0 4 76.05 1.14 1.2515 -6 6 3 4 77.07 1.62 1.2374 0 10 3 4 77.22 1.76 1.2354 4 2 3 4 77.33 1.99 1.2339 6 0 2 2 77.45 2.54 1.2323 -1 13 2 4 77.78 1.23 1.2279 -1 5 4 4 77.80 3.40 1.2277 8 0 0 2 78.63 3.18 1.2168 -5 11 2 4 80.00 1.28 1.1993 -1 11 3 4 80.03 4.80 1.1990 -8 4 2 4 80.61 2.87 1.1918 -6 10 2 4 83.43 1.44 1.1586 1 15 1 4 83.56 5.02 1.1571 2 0 4 2 84.09 3.48 1.1511 7 9 0 4 85.00 1.21 1.1411 5 9 2 4 85.21 1.41 1.1389 7 7 1 4 85.40 1.39 1.1368 5 13 0 4 85.87 2.81 1.1318 -7 7 3 4 86.12 3.02 1.1291 -6 4 4 4 86.91 1.55 1.1209 5 3 3 4 88.44 2.43 1.1054 0 16 1 4 89.04 1.28 1.0995 3 13 2 4 89.78 2.47 1.0924 -6 12 2 4 89.80 1.12 1.0921 -2 16 1 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.