Borcarite Yamnova N A, Simonov M A, Kazanskaya E V, Belov N V Soviet Physics Doklady 20 (1975) 799-801 Refinement of the crystal structure of the Ca, Mg-carbonatoborate borcarite Ca4Mg/B4O6(OH)6/(CO3)2 Locality: Solongo metasomatite deposit, Buryatia, Russia _database_code_amcsd 0020477 CELL PARAMETERS: 4.4450 17.8430 8.3780 90.000 90.000 101.940 SPACE GROUP: A2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 650.101 Density (g/cm3): 2.758 MAX. ABS. INTENSITY / VOLUME**2: 6.048720371 RIR: 0.714 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.72 96.59 7.5532 0 1 1 4 18.57 12.21 4.7793 0 3 1 4 20.35 9.69 4.3642 0 4 0 2 20.42 5.57 4.3488 1 0 0 2 21.21 11.03 4.1890 0 0 2 2 22.66 9.63 3.9237 1 -1 1 4 24.52 3.07 3.6309 1 1 1 4 24.69 25.92 3.6060 1 2 0 2 25.24 7.24 3.5288 -1 3 1 4 25.76 19.01 3.4590 -1 4 0 2 27.68 19.08 3.2227 0 5 1 4 29.56 2.68 3.0221 0 4 2 4 29.91 21.73 2.9869 -1 2 2 4 30.04 20.69 2.9747 1 3 1 4 30.73 31.03 2.9095 0 6 0 2 31.92 10.65 2.8041 1 4 0 2 32.47 3.31 2.7576 0 1 3 4 32.77 71.83 2.7329 1 2 2 4 33.60 100.00 2.6672 -1 4 2 4 35.66 4.74 2.5177 0 3 3 4 37.63 1.44 2.3902 0 7 1 4 37.64 11.22 2.3896 0 6 2 4 37.79 20.96 2.3809 1 5 1 4 38.06 4.37 2.3641 1 -1 3 4 38.64 1.33 2.3302 1 4 2 4 39.25 6.45 2.2956 -1 7 1 4 39.73 42.30 2.2688 -1 3 3 4 40.63 6.65 2.2204 -2 2 0 2 40.72 40.91 2.2156 1 6 0 2 41.38 3.01 2.1821 0 8 0 2 41.53 12.51 2.1744 2 0 0 2 42.21 1.83 2.1411 2 -1 1 4 42.32 16.18 2.1355 -1 8 0 2 42.44 3.24 2.1301 -2 4 0 2 42.66 11.35 2.1196 -2 3 1 4 43.10 1.12 2.0990 1 3 3 4 43.19 9.89 2.0945 0 0 4 2 43.98 16.80 2.0590 -1 5 3 4 44.48 3.13 2.0367 0 2 4 4 45.00 4.52 2.0144 2 2 0 2 45.66 3.58 1.9870 -2 5 1 4 46.28 13.31 1.9619 2 -2 2 4 46.86 3.20 1.9387 1 7 1 4 47.09 2.81 1.9299 2 0 2 4 47.81 15.80 1.9025 -1 8 2 4 47.91 9.07 1.8987 -2 4 2 4 48.19 19.11 1.8883 0 4 4 4 48.23 15.36 1.8870 1 0 4 4 48.43 2.67 1.8796 -1 2 4 4 48.97 1.88 1.8601 0 7 3 4 49.09 7.04 1.8557 1 5 3 4 50.26 16.65 1.8154 2 2 2 4 50.28 1.58 1.8145 -1 7 3 4 50.38 14.70 1.8112 1 2 4 4 50.53 4.40 1.8063 1 8 0 2 50.63 6.48 1.8030 2 4 0 2 50.97 1.82 1.7916 -1 4 4 4 51.82 8.51 1.7644 -2 6 2 4 52.27 2.35 1.7500 -1 10 0 2 52.41 4.63 1.7457 0 10 0 2 52.94 6.41 1.7295 -2 8 0 2 53.94 19.71 1.6999 0 6 4 4 55.06 1.89 1.6679 0 1 5 4 55.29 1.09 1.6614 2 5 1 4 55.39 12.40 1.6587 1 8 2 4 55.48 8.11 1.6561 2 4 2 4 55.62 3.10 1.6524 -1 6 4 4 56.91 1.35 1.6180 1 9 1 4 57.03 5.50 1.6148 -1 10 2 4 57.16 14.15 1.6114 0 10 2 4 57.21 1.84 1.6102 0 3 5 4 57.66 4.82 1.5986 -2 8 2 4 57.84 4.66 1.5943 -2 9 1 4 57.88 5.35 1.5931 0 9 3 4 58.52 3.88 1.5773 2 3 3 4 58.91 1.33 1.5677 1 -1 5 4 59.26 2.54 1.5593 0 11 1 4 60.28 1.62 1.5354 -2 7 3 4 60.78 1.24 1.5239 -2 10 0 2 60.79 8.01 1.5236 2 -2 4 4 60.86 5.80 1.5221 1 6 4 4 61.16 1.23 1.5153 1 10 0 2 61.35 1.74 1.5111 0 8 4 4 62.16 1.34 1.4934 -2 4 4 4 62.77 1.78 1.4804 -3 2 0 2 63.28 2.09 1.4697 -3 4 0 2 63.86 1.86 1.4577 3 -3 1 4 65.48 2.23 1.4254 -2 6 4 4 65.76 2.52 1.4200 -3 6 0 2 67.41 1.27 1.3892 -1 11 3 4 67.43 1.89 1.3890 1 5 5 4 67.55 2.15 1.3868 -3 4 2 4 67.99 1.32 1.3788 0 2 6 4 68.49 5.17 1.3699 3 0 2 4 68.69 2.94 1.3665 2 4 4 4 69.95 5.54 1.3449 -3 6 2 4 70.07 1.86 1.3430 -1 10 4 4 70.63 4.14 1.3336 -2 8 4 4 70.79 1.59 1.3310 -2 3 5 4 70.86 1.23 1.3299 0 4 6 4 70.88 3.77 1.3295 2 8 2 4 71.04 1.05 1.3269 -1 2 6 4 72.60 2.96 1.3021 1 2 6 4 72.68 1.97 1.3010 1 12 0 2 72.89 1.62 1.2977 3 4 0 2 73.08 5.44 1.2948 -1 4 6 4 73.95 1.58 1.2817 -3 9 1 4 74.06 2.24 1.2802 -2 12 2 4 74.73 2.24 1.2703 -1 14 0 2 75.01 2.11 1.2662 3 1 3 4 75.53 1.18 1.2589 0 6 6 4 76.91 1.19 1.2396 3 4 2 4 79.50 1.08 1.2057 -1 12 4 4 79.79 1.86 1.2020 3 6 0 2 80.36 6.47 1.1948 0 12 4 4 80.47 1.46 1.1935 -2 14 0 2 80.60 3.36 1.1920 3 0 4 4 80.72 2.98 1.1904 2 10 2 4 81.41 2.97 1.1820 2 -2 6 4 81.96 1.23 1.1755 -1 15 1 4 81.98 1.12 1.1754 -3 6 4 4 82.23 1.82 1.1723 0 3 7 4 82.86 1.99 1.1651 2 8 4 4 83.92 1.91 1.1530 -3 12 0 2 85.62 1.10 1.1344 -2 6 6 4 85.90 1.03 1.1314 -2 12 4 4 86.97 2.56 1.1202 1 3 7 4 87.81 3.01 1.1117 -3 12 2 4 88.20 1.76 1.1078 2 12 0 2 88.46 2.54 1.1052 1 12 4 4 88.51 1.20 1.1047 1 8 6 4 88.58 1.09 1.1040 2 4 6 4 88.67 1.14 1.1031 3 4 4 4 89.87 1.91 1.0915 -1 10 6 4 89.91 1.10 1.0911 0 16 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.