Clinokurchatovite Yakubovich O V, Yamnova N A, Shchedrin B M, Simonov M A, Belov N V Soviet Physics Doklady 21 (1976) 294-295 Crystal structure of magnesium kurchatovite CaMg[B2O5] Locality: Siberia, Russia _database_code_amcsd 0015602 CELL PARAMETERS: 12.3310 5.4890 11.0920 90.000 90.000 78.420 SPACE GROUP: P2_1/b X-RAY WAVELENGTH: 1.541838 Cell Volume: 735.479 Density (g/cm3): 2.998 MAX. ABS. INTENSITY / VOLUME**2: 7.668651327 RIR: 0.833 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.67 2.63 6.0400 2 0 0 2 16.71 9.98 5.3045 2 0 1 4 18.34 2.38 4.8387 0 1 1 4 21.35 9.37 4.1608 2 1 1 4 25.53 6.96 3.4891 2 1 2 4 25.58 6.10 3.4819 2 -1 1 4 29.19 27.80 3.0590 2 -1 2 4 29.58 3.57 3.0200 4 0 0 2 30.68 21.66 2.9139 4 0 1 4 32.28 100.00 2.7730 0 0 4 2 33.32 26.00 2.6886 0 2 0 2 33.66 34.58 2.6629 2 2 0 2 34.32 6.57 2.6130 0 2 1 4 34.64 4.25 2.5893 2 2 1 4 34.98 41.63 2.5648 4 1 2 4 35.63 9.49 2.5201 2 0 4 4 36.53 10.18 2.4596 1 1 4 4 36.54 7.30 2.4593 1 2 2 4 37.86 16.05 2.3764 4 -1 1 4 37.92 1.52 2.3725 1 -1 4 4 39.28 5.54 2.2938 -1 2 2 4 39.32 17.99 2.2913 -2 2 0 2 39.85 5.15 2.2620 3 2 2 4 40.18 18.07 2.2443 4 2 0 2 41.15 8.37 2.1939 3 1 4 4 43.46 7.02 2.0824 2 0 5 4 44.00 1.58 2.0581 3 2 3 4 44.16 1.02 2.0507 0 1 5 4 44.58 1.30 2.0324 4 -1 3 4 44.85 4.62 2.0209 3 -1 4 4 45.03 34.25 2.0133 6 0 0 2 45.57 2.08 1.9908 6 1 1 4 45.62 8.07 1.9888 2 1 5 4 45.80 16.95 1.9810 6 0 1 4 47.08 18.75 1.9303 0 2 4 4 47.19 2.73 1.9259 3 -2 2 4 47.33 32.88 1.9207 2 2 4 4 47.93 4.82 1.8981 2 -1 5 4 48.18 1.30 1.8886 5 2 2 4 49.72 7.72 1.8336 -4 2 0 2 50.45 5.35 1.8091 4 -2 1 4 50.91 2.39 1.7935 6 2 0 2 51.09 3.80 1.7879 4 0 5 4 51.62 4.26 1.7705 6 2 1 4 51.66 1.40 1.7695 0 3 1 4 51.70 5.90 1.7682 6 0 3 4 51.76 4.90 1.7663 2 -2 4 4 52.45 3.33 1.7445 4 2 4 4 53.56 3.25 1.7111 0 2 5 4 53.62 1.24 1.7094 2 1 6 4 53.74 18.62 1.7056 0 3 2 4 53.78 2.58 1.7044 2 2 5 4 54.68 2.31 1.6787 4 3 1 4 55.68 20.51 1.6508 2 -1 6 4 55.98 1.28 1.6427 4 -2 3 4 56.11 4.42 1.6392 4 -1 5 4 56.48 12.00 1.6292 6 0 4 4 56.69 4.18 1.6238 4 3 2 4 57.08 2.21 1.6137 6 2 3 4 59.02 5.57 1.5651 -2 3 2 4 59.33 18.61 1.5577 4 1 6 4 59.94 1.19 1.5432 4 3 3 4 60.53 7.83 1.5295 4 -2 4 4 60.88 2.12 1.5217 8 1 1 4 61.58 3.35 1.5060 6 2 4 4 62.99 1.77 1.4757 -6 2 0 2 63.17 3.30 1.4719 4 -1 6 4 64.42 1.99 1.4464 8 2 0 2 64.51 10.51 1.4446 6 3 2 4 66.11 3.42 1.4133 4 -2 5 4 67.11 3.29 1.3947 6 2 5 4 67.14 1.09 1.3942 0 3 5 4 67.56 2.99 1.3865 0 0 8 2 67.66 1.58 1.3847 6 -1 5 4 68.38 4.50 1.3719 2 4 0 2 69.98 1.08 1.3443 0 4 0 2 70.11 2.35 1.3422 8 -1 2 4 72.57 1.67 1.3027 6 -2 4 4 72.92 2.91 1.2973 2 3 6 4 73.91 3.65 1.2824 8 2 4 4 75.24 2.74 1.2630 8 1 5 4 76.28 1.64 1.2483 8 0 5 4 76.85 1.20 1.2404 6 3 5 4 77.45 1.82 1.2323 0 2 8 4 77.64 5.23 1.2298 2 2 8 4 77.65 8.46 1.2297 2 4 4 4 78.76 3.72 1.2151 6 -3 1 4 79.68 1.26 1.2034 10 1 2 4 79.87 1.06 1.2009 10 0 1 4 80.21 1.02 1.1967 4 -3 5 4 80.45 3.68 1.1938 6 -3 2 4 80.89 1.30 1.1883 10 2 1 4 82.11 2.40 1.1738 8 -1 5 4 83.04 1.15 1.1630 6 3 6 4 83.25 1.47 1.1606 6 -3 3 4 88.22 2.98 1.1076 8 -1 6 4 88.39 1.75 1.1059 4 -2 8 4 88.50 1.28 1.1048 10 3 1 4 89.05 1.04 1.0994 4 -1 9 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.