Richterite Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C American Mineralogist 78 (1993) 633-640 Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Sample: KCo20 Atomic parameters from ICSD _database_code_amcsd 0001580 CELL PARAMETERS: 10.0711 18.0150 5.2760 90.000 104.836 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 925.318 Density (g/cm3): 3.113 MAX. ABS. INTENSITY / VOLUME**2: 5.583774948 RIR: 0.584 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.82 1.38 9.0075 0 2 0 2 10.33 66.36 8.5648 1 1 0 4 18.13 8.83 4.8933 -1 1 1 4 19.71 19.90 4.5037 0 4 0 2 22.20 14.97 4.0035 1 1 1 4 22.92 16.18 3.8804 -1 3 1 4 23.93 1.27 3.7178 -2 2 1 4 26.29 70.69 3.3895 1 3 1 4 26.40 3.78 3.3759 0 4 1 4 26.97 57.70 3.3058 2 4 0 4 27.94 66.03 3.1937 3 1 0 4 29.01 10.74 3.0781 -3 1 1 4 29.53 1.78 3.0245 -2 4 1 4 30.12 48.27 2.9669 2 2 1 4 30.41 9.72 2.9397 -1 5 1 4 31.33 20.29 2.8549 3 3 0 4 32.30 36.52 2.7714 -3 3 1 4 33.08 100.00 2.7082 1 5 1 4 34.67 55.32 2.5874 0 6 1 4 34.81 2.01 2.5770 2 4 1 4 35.19 3.94 2.5501 0 0 2 2 35.31 79.16 2.5422 -2 0 2 2 36.10 1.15 2.4881 1 7 0 4 36.93 4.79 2.4338 4 0 0 2 37.29 11.31 2.4113 3 5 0 4 38.00 19.70 2.3680 -4 2 1 4 38.13 30.83 2.3603 -3 5 1 4 39.24 18.13 2.2962 -1 7 1 4 39.26 20.97 2.2945 -3 1 2 4 39.49 1.69 2.2817 3 3 1 4 40.04 1.48 2.2519 0 8 0 2 40.66 1.53 2.2190 0 4 2 4 40.76 9.91 2.2139 -2 4 2 4 41.41 3.85 2.1807 1 7 1 4 41.60 44.72 2.1708 2 6 1 4 41.85 7.27 2.1587 -3 3 2 4 42.47 5.03 2.1285 -1 5 2 4 44.11 23.27 2.0531 2 0 2 2 44.32 1.01 2.0438 2 8 0 4 44.39 14.07 2.0409 -4 0 2 2 44.51 11.62 2.0354 3 5 1 4 44.95 2.53 2.0164 3 7 0 4 45.67 1.08 1.9864 -3 7 1 4 46.31 4.99 1.9607 1 9 0 4 46.37 1.92 1.9580 4 2 1 4 46.66 5.28 1.9467 -3 5 2 4 46.94 10.05 1.9358 5 1 0 4 47.87 8.94 1.9003 -4 6 1 4 48.75 1.83 1.8681 2 4 2 4 48.90 8.03 1.8625 -1 9 1 4 49.00 3.37 1.8589 -4 4 2 4 49.19 2.98 1.8521 5 3 0 4 49.48 1.24 1.8421 -1 7 2 4 49.76 1.44 1.8324 4 4 1 4 50.67 6.18 1.8015 0 10 0 2 50.74 3.66 1.7993 1 9 1 4 51.49 4.01 1.7747 -5 1 2 4 53.08 1.06 1.7253 1 7 2 4 54.30 2.25 1.6895 2 10 0 4 54.35 1.97 1.6879 0 8 2 4 54.43 4.24 1.6857 -2 8 2 4 54.44 3.38 1.6854 -3 9 1 4 54.55 7.90 1.6823 -1 3 3 4 54.97 7.06 1.6705 0 2 3 4 55.06 32.01 1.6680 4 6 1 4 55.60 5.15 1.6529 4 8 0 4 56.74 5.24 1.6226 6 0 0 2 57.02 11.77 1.6150 1 11 0 4 58.49 2.00 1.5779 -5 7 1 4 58.57 22.26 1.5759 -1 5 3 4 58.77 5.78 1.5711 4 0 2 2 59.11 2.57 1.5629 2 10 1 4 59.15 14.73 1.5620 -6 0 2 2 60.80 7.12 1.5235 5 5 1 4 61.09 4.30 1.5170 1 9 2 4 61.30 27.39 1.5123 -2 6 3 4 61.30 4.29 1.5122 -4 8 2 4 61.80 13.51 1.5012 0 12 0 2 62.62 5.44 1.4835 4 4 2 4 62.81 2.29 1.4794 0 6 3 4 62.98 2.81 1.4758 -6 4 2 4 63.23 1.77 1.4706 2 2 3 4 63.27 3.43 1.4699 -2 10 2 4 63.61 32.29 1.4628 -6 6 1 4 63.64 4.35 1.4621 3 11 0 4 64.12 1.60 1.4523 -4 10 1 4 64.21 2.03 1.4505 -3 11 1 4 64.31 2.77 1.4485 -1 7 3 4 64.34 2.63 1.4480 4 10 0 4 64.78 2.60 1.4392 -5 3 3 4 65.51 1.54 1.4250 6 2 1 4 67.55 3.17 1.3866 7 1 0 4 67.83 12.86 1.3817 5 1 2 4 68.44 4.65 1.3709 -5 5 3 4 69.36 1.43 1.3549 7 3 0 4 69.41 1.62 1.3541 2 10 2 4 69.61 1.08 1.3506 -4 10 2 4 69.63 3.97 1.3503 5 3 2 4 70.31 7.06 1.3389 1 11 2 4 70.44 5.37 1.3367 -3 11 2 4 70.49 11.11 1.3360 -7 5 1 4 70.54 7.38 1.3351 2 6 3 4 70.75 1.96 1.3316 -5 9 2 4 71.56 2.05 1.3185 -1 9 3 4 71.69 2.67 1.3164 6 8 0 4 72.44 6.89 1.3047 -1 1 4 4 72.58 1.72 1.3026 -3 1 4 4 72.70 1.58 1.3007 6 6 1 4 73.15 4.08 1.2937 0 12 2 4 73.17 1.10 1.2935 -3 9 3 4 73.22 17.60 1.2927 -2 12 2 4 74.19 2.23 1.2781 -1 3 4 4 74.22 2.26 1.2777 4 12 0 4 74.40 3.86 1.2750 0 0 4 2 74.67 6.24 1.2711 -4 0 4 2 75.75 1.71 1.2557 -7 7 1 4 76.92 1.55 1.2395 4 2 3 4 77.15 1.30 1.2364 0 10 3 4 77.37 1.86 1.2334 6 0 2 2 77.86 1.38 1.2268 -1 13 2 4 78.62 3.07 1.2169 8 0 0 2 79.45 7.69 1.2063 -5 11 2 4 81.25 2.91 1.1840 -8 4 2 4 81.57 2.42 1.1802 -6 10 2 4 83.07 5.11 1.1626 2 0 4 2 83.74 1.08 1.1551 4 6 3 4 84.33 1.25 1.1484 2 10 3 4 84.90 2.43 1.1421 7 9 0 4 86.13 1.12 1.1290 5 13 0 4 86.96 2.46 1.1203 -6 4 4 4 87.01 1.38 1.1199 -7 7 3 4 89.04 2.00 1.0995 0 16 1 4 89.32 1.09 1.0967 3 13 2 4 89.70 1.98 1.0931 3 1 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.