Britholite-(Gd) Hughes J M, Mariano A N, Drexler J W Neues Jahrbuch fur Mineralogie, Monatshefte 1992 (1992) 311-319 Crystal structures of synthetic Na-REE-Si oxyapatites, synthetic monoclinic britholite Locality: synthetic _database_code_amcsd 0014863 CELL PARAMETERS: 9.4100 9.4130 6.8740 90.000 90.000 120.010 SPACE GROUP: P2_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 527.247 Density (g/cm3): 6.293 MAX. ABS. INTENSITY / VOLUME**2: 81.46862318 RIR: 4.215 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.85 1.29 8.1511 0 1 0 2 10.85 1.29 8.1510 -1 1 0 2 10.86 1.31 8.1485 1 0 0 2 18.85 1.02 4.7065 -1 2 0 2 18.86 1.08 4.7050 1 1 0 2 18.86 1.06 4.7050 -2 1 0 2 21.81 13.71 4.0755 0 2 0 2 21.81 13.66 4.0755 -2 2 0 2 21.81 13.69 4.0742 2 0 0 2 22.90 15.03 3.8835 -1 2 1 2 22.91 14.94 3.8826 1 1 1 2 22.91 15.08 3.8826 2 -1 1 2 25.92 21.64 3.4370 0 0 2 1 28.18 17.64 3.1670 0 1 2 2 28.18 17.82 3.1670 1 -1 2 2 28.18 17.89 3.1668 1 0 2 2 28.98 6.21 3.0811 -1 3 0 2 28.98 10.71 3.0811 -2 3 0 2 28.99 10.76 3.0804 1 2 0 2 28.99 6.26 3.0804 -3 2 0 2 28.99 6.17 3.0800 2 1 0 2 28.99 10.64 3.0800 -3 1 0 2 31.83 19.51 2.8116 -1 3 1 2 31.83 30.40 2.8116 -2 3 1 2 31.83 30.67 2.8111 1 2 1 2 31.83 19.42 2.8110 3 -2 1 2 31.84 19.61 2.8107 2 1 1 2 31.84 30.30 2.8107 3 -1 1 2 32.25 23.65 2.7757 -1 2 2 2 32.25 23.56 2.7754 1 1 2 2 32.25 23.57 2.7754 2 -1 2 2 32.97 13.00 2.7170 0 3 0 2 32.97 13.10 2.7170 -3 3 0 2 32.98 12.98 2.7162 3 0 0 2 39.87 1.66 2.2609 -1 4 0 2 39.88 1.65 2.2605 -4 3 0 2 39.89 1.65 2.2600 3 1 0 2 40.52 1.58 2.2264 -2 4 1 2 40.53 1.60 2.2258 2 2 1 2 40.53 1.61 2.2258 4 -2 1 2 42.41 1.71 2.1315 0 3 2 2 42.41 1.65 2.1314 3 -3 2 2 42.42 1.66 2.1310 3 0 2 2 43.95 5.51 2.0602 -1 2 3 2 43.95 5.48 2.0600 1 1 3 2 43.95 5.53 2.0600 2 -1 3 2 44.46 3.32 2.0378 0 4 0 2 44.46 3.30 2.0378 -4 4 0 2 44.47 3.32 2.0371 4 0 0 2 46.78 12.72 1.9417 -2 4 2 2 46.80 12.78 1.9413 2 2 2 2 46.80 12.80 1.9413 4 -2 2 2 48.18 4.64 1.8888 -1 4 2 2 48.18 2.42 1.8888 -3 4 2 2 48.18 2.42 1.8886 1 3 2 2 48.18 4.62 1.8886 4 -3 2 2 48.19 4.66 1.8884 3 1 2 2 48.19 2.39 1.8884 4 -1 2 2 48.69 1.40 1.8702 -2 5 0 2 48.69 1.20 1.8702 -3 5 0 2 48.70 1.18 1.8697 2 3 0 2 48.70 1.40 1.8697 -5 3 0 2 48.71 1.41 1.8695 3 2 0 2 48.71 1.18 1.8695 -5 2 0 2 49.58 5.98 1.8386 -1 3 3 2 49.58 9.80 1.8386 -2 3 3 2 49.58 9.88 1.8385 1 2 3 2 49.58 5.98 1.8385 3 -2 3 2 49.59 5.95 1.8384 2 1 3 2 49.59 9.84 1.8384 3 -1 3 2 50.58 3.71 1.8046 -2 5 1 2 50.58 5.04 1.8046 -3 5 1 2 50.59 5.04 1.8041 2 3 1 2 50.59 3.71 1.8041 5 -3 1 2 50.60 3.69 1.8040 3 2 1 2 50.60 5.04 1.8040 5 -2 1 2 51.37 6.32 1.7788 -1 5 0 2 51.37 4.02 1.7788 -4 5 0 2 51.37 3.99 1.7786 1 4 0 2 51.37 6.28 1.7786 -5 4 0 2 51.39 6.30 1.7782 4 1 0 2 51.39 4.01 1.7782 -5 1 0 2 52.18 13.76 1.7528 0 4 2 2 52.18 13.80 1.7528 4 -4 2 2 52.20 13.76 1.7524 4 0 2 2 53.31 16.76 1.7185 0 0 4 1 58.27 1.46 1.5835 0 2 4 2 58.27 1.44 1.5835 2 -2 4 2 58.27 1.47 1.5834 2 0 4 2 60.06 1.34 1.5405 -2 6 0 2 60.07 1.32 1.5402 -6 4 0 2 60.08 1.34 1.5400 4 2 0 2 60.53 4.26 1.5295 -3 6 1 2 60.55 4.25 1.5291 3 3 1 2 60.55 4.32 1.5290 6 -3 1 2 61.82 1.98 1.5008 -1 3 4 2 61.82 2.11 1.5008 -2 3 4 2 61.82 2.13 1.5008 1 2 4 2 61.82 1.99 1.5008 3 -2 4 2 61.82 1.98 1.5007 2 1 4 2 61.82 2.12 1.5007 3 -1 4 2 63.12 5.28 1.4729 0 5 2 2 63.12 5.28 1.4729 5 -5 2 2 63.14 5.31 1.4725 5 0 2 2 64.12 3.02 1.4524 0 3 4 2 64.12 3.04 1.4524 3 -3 4 2 64.13 2.99 1.4522 3 0 4 2 64.29 1.19 1.4488 -2 5 3 2 64.29 2.66 1.4488 -3 5 3 2 64.31 2.63 1.4486 2 3 3 2 64.31 1.19 1.4486 5 -3 3 2 64.31 1.18 1.4485 3 2 3 2 64.31 2.63 1.4485 5 -2 3 2 65.15 1.61 1.4319 -5 6 1 2 65.15 1.66 1.4318 1 5 1 2 65.17 1.63 1.4314 6 -1 1 2 65.39 3.41 1.4272 -3 6 2 2 65.41 3.41 1.4268 3 3 2 2 65.41 3.40 1.4268 6 -3 2 2 71.86 1.51 1.3137 0 4 4 2 71.86 1.49 1.3137 4 -4 4 2 71.88 1.51 1.3135 4 0 4 2 73.10 1.70 1.2945 -3 6 3 2 73.12 1.70 1.2942 3 3 3 2 73.12 1.74 1.2942 6 -3 3 2 73.90 1.48 1.2824 -2 7 1 2 73.91 1.07 1.2824 -5 7 1 2 73.92 1.08 1.2822 2 5 1 2 73.92 1.50 1.2822 7 -5 1 2 73.94 1.49 1.2820 5 2 1 2 73.94 1.07 1.2819 7 -2 1 2 75.21 1.42 1.2634 0 6 2 2 75.21 1.41 1.2634 6 -6 2 2 75.23 1.42 1.2631 6 0 2 2 75.76 1.46 1.2555 -1 3 5 2 75.76 2.14 1.2555 -2 3 5 2 75.77 2.14 1.2554 1 2 5 2 75.77 1.43 1.2554 3 -2 5 2 75.77 1.44 1.2554 2 1 5 2 75.77 2.13 1.2554 3 -1 5 2 77.18 3.53 1.2359 -1 5 4 2 77.18 2.15 1.2359 -4 5 4 2 77.19 2.12 1.2359 1 4 4 2 77.19 3.54 1.2359 5 -4 4 2 77.20 3.56 1.2357 4 1 4 2 77.20 2.13 1.2357 5 -1 4 2 77.35 1.02 1.2337 -5 6 3 2 77.35 1.03 1.2336 1 5 3 2 77.37 1.01 1.2334 6 -1 3 2 78.13 1.06 1.2232 -1 7 1 2 78.13 1.61 1.2232 -6 7 1 2 78.14 1.60 1.2231 1 6 1 2 78.14 1.07 1.2231 7 -6 1 2 78.17 1.06 1.2228 6 1 1 2 78.17 1.59 1.2228 7 -1 1 2 78.36 2.94 1.2203 -2 7 2 2 78.36 1.42 1.2203 -5 7 2 2 78.38 1.42 1.2201 2 5 2 2 78.38 2.94 1.2201 7 -5 2 2 78.39 2.93 1.2199 5 2 2 2 78.39 1.40 1.2199 7 -2 2 2 81.90 2.10 1.1763 4 4 0 2 85.64 1.06 1.1342 -2 7 3 2 85.66 1.04 1.1340 7 -5 3 2 85.67 1.05 1.1339 5 2 3 2 87.66 1.57 1.1132 -1 2 6 2 87.67 1.59 1.1131 1 1 6 2 87.67 1.58 1.1131 2 -1 6 2 88.71 1.59 1.1027 3 5 2 2 89.75 1.03 1.0926 -6 7 3 2 89.76 1.03 1.0926 1 6 3 2 89.78 1.03 1.0923 7 -1 3 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.