Britvinite Yakubovich O V, Massa W, Chukanov N V Crystallography Reports 53 (2008) 206-215 Crystal structure of britvinite [Pb7(OH)3F(BO3)2(CO3)][Mg4.5(OH)3(Si5O14)]: A new layered silicate with an original type of silicon-oxygen networks Locality: Varmland, Sweden _database_code_amcsd 0012396 CELL PARAMETERS: 9.3409 9.3579 18.8333 80.365 75.816 59.870 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1378.475 Density (g/cm3): 5.387 MAX. ABS. INTENSITY / VOLUME**2: 148.9439548 RIR: 9.003 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 4.85 100.00 18.2336 0 0 1 2 9.70 4.91 9.1168 0 0 2 2 11.15 1.93 7.9335 1 0 0 2 12.21 1.97 7.2481 0 -1 1 2 13.28 1.05 6.6679 -1 -1 1 2 14.57 2.50 6.0779 0 0 3 2 16.16 1.32 5.4850 1 1 3 2 16.55 1.02 5.3571 -1 -1 2 2 17.79 1.42 4.9860 0 1 3 2 19.08 1.72 4.6505 -1 1 0 2 19.25 2.10 4.6107 1 2 0 2 19.47 2.06 4.5584 0 0 4 2 19.61 1.49 4.5279 2 1 0 2 19.64 3.27 4.5208 2 1 2 2 20.05 3.42 4.4291 1 2 2 2 20.08 4.28 4.4220 -1 1 1 2 20.56 1.18 4.3205 1 0 4 2 20.66 2.01 4.2996 -1 -2 1 2 20.73 3.66 4.2841 1 -1 2 2 21.35 5.79 4.1622 -2 -1 1 2 21.40 1.41 4.1513 2 1 3 2 22.13 4.99 4.0171 1 2 3 2 22.14 1.37 4.0143 -1 1 2 2 22.41 1.01 3.9667 2 0 0 2 23.61 1.64 3.7691 0 2 2 2 23.83 1.99 3.7342 2 2 3 2 23.84 1.04 3.7324 -2 0 1 2 24.07 1.21 3.6975 2 1 4 2 24.26 2.42 3.6690 -2 -2 1 2 24.29 3.50 3.6648 -1 0 4 2 24.56 1.39 3.6241 0 -2 2 2 25.02 1.62 3.5584 1 2 4 2 25.03 3.53 3.5581 -1 1 3 2 26.17 3.49 3.4050 -1 -2 3 2 26.25 6.84 3.3943 1 -1 4 2 26.27 1.88 3.3920 0 1 5 2 26.86 1.35 3.3188 2 0 4 2 27.14 1.64 3.2859 0 -2 3 2 27.29 8.79 3.2674 -2 -1 3 2 27.36 5.02 3.2600 0 -1 5 2 27.38 5.26 3.2569 2 1 5 2 28.50 6.10 3.1321 -1 1 4 2 28.51 9.64 3.1311 1 2 5 2 28.86 1.19 3.0940 1 1 6 2 29.30 2.46 3.0481 3 1 1 2 29.35 2.06 3.0430 -1 -1 5 2 29.42 2.84 3.0358 1 0 6 2 29.43 3.58 3.0353 1 3 0 2 29.48 2.65 3.0297 -2 1 0 2 29.50 1.88 3.0283 1 -2 1 2 29.78 1.72 3.0004 2 3 0 2 29.81 2.40 2.9967 -1 -2 4 2 29.90 2.38 2.9885 2 -1 2 2 29.90 5.78 2.9885 1 -1 5 2 30.06 1.03 2.9725 3 1 0 2 30.07 2.15 2.9717 3 2 3 2 30.17 2.18 2.9621 3 2 0 2 30.26 1.84 2.9541 3 1 3 2 30.45 2.51 2.9358 2 3 3 2 30.49 2.65 2.9321 -1 -3 1 2 30.56 4.15 2.9249 1 -2 2 2 31.07 2.07 2.8788 -2 -1 4 2 31.15 1.26 2.8711 1 3 3 2 31.17 3.63 2.8693 -2 -3 1 2 31.19 2.15 2.8678 -1 2 2 2 31.64 2.51 2.8281 3 2 4 2 31.80 2.75 2.8144 -3 -2 1 2 32.01 2.54 2.7962 0 -1 6 2 32.24 1.47 2.7767 2 3 4 2 32.27 1.54 2.7737 -2 1 2 2 33.21 2.48 2.6973 3 3 2 2 33.23 1.79 2.6958 1 3 4 2 33.26 3.12 2.6941 0 3 0 2 33.26 2.51 2.6938 -1 2 3 2 33.30 3.69 2.6903 3 0 1 2 33.33 1.93 2.6879 3 3 1 2 33.36 2.98 2.6858 0 3 1 2 33.45 3.05 2.6788 3 0 2 2 33.56 2.57 2.6704 1 1 7 2 34.07 2.54 2.6315 -1 -1 6 2 34.22 2.46 2.6206 3 1 5 2 34.73 1.22 2.5828 -1 -3 3 2 35.65 1.17 2.5184 0 1 7 2 36.69 1.12 2.4497 3 2 6 2 37.64 1.22 2.3899 -2 1 4 2 37.88 1.39 2.3750 0 3 4 2 37.90 1.54 2.3742 -3 -3 2 2 39.54 2.74 2.2792 0 0 8 2 40.41 2.27 2.2323 2 -2 3 2 40.74 2.28 2.2146 2 4 4 2 41.12 1.03 2.1949 -1 -3 5 2 41.38 2.20 2.1822 -4 -2 1 2 42.19 1.97 2.1421 2 -2 4 2 44.28 1.24 2.0457 2 1 9 2 44.73 1.36 2.0260 0 0 9 2 45.72 1.53 1.9846 -1 1 8 2 47.41 1.08 1.9177 -1 -2 8 2 51.07 1.32 1.7885 -4 0 3 2 51.80 1.02 1.7649 4 5 3 2 51.84 1.31 1.7637 5 4 2 2 51.97 1.03 1.7595 1 5 2 2 52.55 1.06 1.7416 -4 1 0 2 52.96 1.73 1.7290 0 -4 5 2 55.09 1.11 1.6670 -4 -4 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.