Clinokurchatovite Simonov M A, Egorov-Tismenko Y K, Yamnova M A, Belokoneva E L, Belov N V Soviet Physics Doklady 25 (1980) 1125-1128 Crystal structure of natural monoclinic kurchatovite Ca2(Mg0.86Fe0.14)(Mg0.92Fe0.08)[B2O5]2 _database_code_amcsd 0015608 CELL PARAMETERS: 12.4500 5.5140 11.1450 90.000 90.000 104.130 SPACE GROUP: P2_1/b X-RAY WAVELENGTH: 1.541838 Cell Volume: 741.948 Density (g/cm3): 3.034 MAX. ABS. INTENSITY / VOLUME**2: 8.267947261 RIR: 0.887 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.67 5.56 6.0367 2 0 0 2 16.70 8.36 5.3080 2 0 1 4 18.25 2.14 4.8609 1 -1 1 4 21.30 8.98 4.1722 1 1 1 4 25.44 4.11 3.5007 1 1 2 4 25.52 5.68 3.4905 3 -1 1 4 29.11 30.91 3.0681 3 -1 2 4 29.60 4.43 3.0183 4 0 0 2 30.69 21.00 2.9134 4 0 1 4 32.13 100.00 2.7863 0 0 4 2 33.17 27.45 2.7008 -2 2 0 2 33.52 35.81 2.6736 0 2 0 2 34.16 6.11 2.6249 2 -2 1 4 34.50 3.78 2.5998 0 2 1 4 34.94 43.46 2.5682 3 1 2 4 35.48 5.89 2.5298 2 0 4 4 36.36 9.29 2.4709 0 1 4 4 36.36 6.61 2.4706 -1 2 2 4 37.75 1.45 2.3830 2 -1 4 4 37.82 14.53 2.3788 5 -1 1 4 39.11 5.02 2.3035 3 -2 2 4 39.18 14.13 2.2992 -4 2 0 2 39.71 4.55 2.2699 1 2 2 4 40.08 14.51 2.2497 2 2 0 2 40.43 1.13 2.2312 5 -1 2 4 41.00 7.64 2.2014 2 1 4 4 43.27 6.25 2.0910 2 0 5 4 43.83 1.59 2.0657 1 2 3 4 44.49 1.07 2.0365 5 -1 3 4 44.70 4.12 2.0273 4 -1 4 4 45.05 32.37 2.0122 6 0 0 2 45.10 1.02 2.0103 4 1 3 4 45.41 7.58 1.9973 1 1 5 4 45.57 1.60 1.9907 5 1 1 4 45.82 16.23 1.9802 6 0 1 4 46.85 18.87 1.9393 2 -2 4 4 47.04 2.42 1.9317 5 -2 2 4 47.11 33.04 1.9291 0 2 4 4 47.72 4.64 1.9059 3 -1 5 4 48.08 1.11 1.8925 3 2 2 4 49.61 8.05 1.8377 -6 2 0 2 50.32 5.26 1.8132 6 -2 1 4 50.85 2.60 1.7956 4 2 0 2 50.93 3.83 1.7931 4 0 5 4 51.41 1.33 1.7775 3 -3 1 4 51.53 3.65 1.7734 4 -2 4 4 51.56 4.16 1.7727 4 2 1 4 51.66 5.84 1.7693 6 0 3 4 52.26 2.35 1.7503 2 2 4 4 53.29 2.86 1.7191 2 -2 5 4 53.36 1.55 1.7169 1 1 6 4 53.48 19.36 1.7133 3 -3 2 4 53.52 2.51 1.7120 0 2 5 4 54.47 2.23 1.6846 1 3 1 4 55.42 20.82 1.6578 3 -1 6 4 55.81 1.31 1.6472 6 -2 3 4 55.92 3.89 1.6441 5 -1 5 4 56.40 12.18 1.6313 6 0 4 4 56.46 4.54 1.6297 1 3 2 4 56.96 2.10 1.6166 4 2 3 4 58.76 5.83 1.5713 5 -3 2 4 59.10 18.57 1.5632 3 1 6 4 59.69 1.20 1.5490 1 3 3 4 60.34 7.84 1.5341 6 -2 4 4 60.90 2.10 1.5212 7 1 1 4 61.43 3.46 1.5093 4 2 4 4 62.15 1.03 1.4936 6 0 5 4 62.89 1.89 1.4777 -8 2 0 2 62.93 3.52 1.4768 5 -1 6 4 64.32 10.72 1.4482 3 3 2 4 64.39 2.10 1.4470 6 2 0 2 65.87 3.34 1.4179 6 -2 5 4 66.79 1.02 1.4007 3 -3 5 4 66.92 3.02 1.3983 4 2 5 4 67.20 2.97 1.3931 0 0 8 2 67.51 1.55 1.3875 7 -1 5 4 68.03 4.43 1.3781 -2 4 0 2 70.09 2.52 1.3426 9 -1 2 4 72.39 1.69 1.3055 8 -2 4 4 72.53 2.25 1.3032 -1 3 6 4 73.79 3.71 1.2841 6 2 4 4 75.13 2.61 1.2646 7 1 5 4 76.18 1.30 1.2497 8 0 5 4 76.57 1.01 1.2443 3 3 5 4 77.02 1.88 1.2381 2 -2 8 4 77.22 5.32 1.2355 0 2 8 4 77.23 8.15 1.2353 -2 4 4 4 77.74 1.19 1.2284 5 -3 6 4 78.55 3.57 1.2178 9 -3 1 4 79.70 1.31 1.2030 9 1 2 4 79.92 1.04 1.2003 10 0 1 4 80.22 3.71 1.1965 9 -3 2 4 80.88 1.07 1.1884 8 2 1 4 81.98 2.33 1.1754 9 -1 5 4 82.70 1.33 1.1669 3 3 6 4 83.00 1.45 1.1635 9 -3 3 4 87.96 1.82 1.1102 6 -2 8 4 88.03 2.94 1.1095 9 -1 6 4 88.40 1.26 1.1058 7 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.