Britholite-(La) 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 0014862 CELL PARAMETERS: 9.6780 9.6820 7.1631 90.000 90.000 120.040 SPACE GROUP: P2_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 581.042 Density (g/cm3): 5.168 MAX. ABS. INTENSITY / VOLUME**2: 38.94384617 RIR: 2.454 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.55 1.11 8.3848 -1 1 0 2 10.55 1.09 8.3815 0 1 0 2 10.56 1.06 8.3780 1 0 0 2 21.19 16.43 4.1924 -2 2 0 2 21.20 16.58 4.1907 0 2 0 2 21.21 16.52 4.1890 2 0 0 2 22.16 17.56 4.0109 -1 2 1 2 22.17 17.46 4.0098 2 -1 1 2 22.18 17.11 4.0087 1 1 1 2 24.86 38.36 3.5815 0 0 2 1 27.07 21.67 3.2937 1 -1 2 2 27.07 21.63 3.2935 0 1 2 2 27.08 21.58 3.2932 1 0 2 2 28.16 14.62 3.1694 -2 3 0 2 28.16 6.01 3.1688 -1 3 0 2 28.16 5.92 3.1684 -3 2 0 2 28.17 14.67 3.1673 -3 1 0 2 28.18 14.62 3.1670 1 2 0 2 28.18 5.98 3.1664 2 1 0 2 30.85 44.19 2.8983 -2 3 1 2 30.86 24.44 2.8979 -1 3 1 2 30.86 24.33 2.8976 3 -2 1 2 30.87 44.29 2.8968 3 -1 1 2 30.87 44.27 2.8965 1 2 1 2 30.88 24.44 2.8961 2 1 1 2 31.06 33.35 2.8792 -1 2 2 2 31.07 33.35 2.8788 2 -1 2 2 31.07 33.30 2.8784 1 1 2 2 32.02 20.27 2.7949 -3 3 0 2 32.04 20.37 2.7938 0 3 0 2 32.05 20.11 2.7927 3 0 0 2 32.89 1.08 2.7231 2 -2 2 2 32.90 1.10 2.7227 0 2 2 2 32.90 1.12 2.7222 2 0 2 2 38.72 1.36 2.3257 -3 4 0 2 38.73 4.56 2.3252 -4 3 0 2 38.73 4.56 2.3251 -1 4 0 2 38.74 1.29 2.3241 1 3 0 2 38.75 1.35 2.3240 -4 1 0 2 38.76 4.58 2.3235 3 1 0 2 39.29 1.30 2.2931 -2 4 1 2 39.30 1.31 2.2923 4 -2 1 2 39.32 1.26 2.2914 2 2 1 2 40.96 1.44 2.2034 3 -3 2 2 40.97 1.39 2.2029 0 3 2 2 40.98 1.42 2.2023 3 0 2 2 42.20 8.15 2.1414 -1 2 3 2 42.20 8.06 2.1412 2 -1 3 2 42.21 8.05 2.1411 1 1 3 2 43.16 4.35 2.0962 -4 4 0 2 43.17 4.33 2.0954 0 4 0 2 43.19 4.29 2.0945 4 0 0 2 43.62 1.14 2.0748 2 -2 3 2 43.63 1.27 2.0746 0 2 3 2 43.63 1.17 2.0744 2 0 3 2 45.21 16.19 2.0055 -2 4 2 2 45.23 16.16 2.0049 4 -2 2 2 45.24 16.30 2.0043 2 2 2 2 46.56 2.53 1.9505 -3 4 2 2 46.57 9.03 1.9502 4 -3 2 2 46.57 8.92 1.9502 -1 4 2 2 46.58 2.45 1.9496 1 3 2 2 46.59 2.41 1.9495 4 -1 2 2 46.59 8.88 1.9492 3 1 2 2 47.25 1.75 1.9237 -3 5 0 2 47.26 1.56 1.9235 -2 5 0 2 47.27 1.54 1.9230 -5 3 0 2 47.28 1.76 1.9226 -5 2 0 2 47.29 1.74 1.9222 2 3 0 2 47.29 1.54 1.9220 3 2 0 2 47.69 15.68 1.9071 -2 3 3 2 47.69 7.17 1.9070 -1 3 3 2 47.69 7.25 1.9069 3 -2 3 2 47.70 15.77 1.9066 3 -1 3 2 47.70 15.67 1.9066 1 2 3 2 47.70 7.22 1.9064 2 1 3 2 49.03 8.85 1.8579 -3 5 1 2 49.04 4.61 1.8577 -2 5 1 2 49.05 4.61 1.8573 5 -3 1 2 49.06 8.78 1.8569 5 -2 1 2 49.07 8.87 1.8565 2 3 1 2 49.08 4.67 1.8563 3 2 1 2 49.83 3.88 1.8298 -4 5 0 2 49.84 8.86 1.8295 -5 4 0 2 49.85 8.84 1.8293 -1 5 0 2 49.87 3.88 1.8287 1 4 0 2 49.87 3.91 1.8284 -5 1 0 2 49.88 8.86 1.8281 4 1 0 2 50.44 17.88 1.8091 4 -4 2 2 50.46 17.82 1.8086 0 4 2 2 50.48 17.83 1.8080 4 0 2 2 51.00 24.12 1.7908 0 0 4 1 55.83 1.73 1.6468 2 -2 4 2 55.83 1.69 1.6467 0 2 4 2 55.83 1.69 1.6466 2 0 4 2 58.22 1.09 1.5847 -4 6 0 2 58.23 1.87 1.5844 -2 6 0 2 58.24 1.88 1.5842 -6 4 0 2 58.26 1.10 1.5837 -6 2 0 2 58.27 1.11 1.5835 2 4 0 2 58.28 1.87 1.5832 4 2 0 2 58.64 4.69 1.5742 -3 6 1 2 58.67 4.68 1.5736 6 -3 1 2 58.69 4.66 1.5730 3 3 1 2 59.27 2.80 1.5591 -2 3 4 2 59.27 2.42 1.5590 -1 3 4 2 59.27 2.41 1.5590 3 -2 4 2 59.28 2.81 1.5589 3 -1 4 2 59.28 2.79 1.5588 1 2 4 2 59.28 2.42 1.5588 2 1 4 2 61.01 5.87 1.5187 5 -5 2 2 61.03 5.95 1.5182 0 5 2 2 61.05 5.91 1.5177 5 0 2 2 61.50 4.55 1.5078 3 -3 4 2 61.51 4.58 1.5077 0 3 4 2 61.51 4.50 1.5075 3 0 4 2 61.58 1.15 1.5060 -5 6 0 2 61.62 1.14 1.5051 1 5 0 2 61.63 1.15 1.5049 -6 1 0 2 61.95 4.47 1.4980 -3 5 3 2 61.95 1.45 1.4979 -2 5 3 2 61.96 1.47 1.4977 5 -3 3 2 61.97 4.44 1.4975 5 -2 3 2 61.98 4.47 1.4973 2 3 3 2 61.98 1.48 1.4972 3 2 3 2 63.08 2.82 1.4738 -5 6 1 2 63.09 1.09 1.4736 6 -5 1 2 63.10 1.10 1.4734 -1 6 1 2 63.12 2.82 1.4730 1 5 1 2 63.13 2.79 1.4727 6 -1 1 2 63.14 1.11 1.4725 5 1 1 2 63.20 3.96 1.4712 -3 6 2 2 63.23 3.94 1.4707 6 -3 2 2 63.25 3.92 1.4702 3 3 2 2 68.97 2.00 1.3616 4 -4 4 2 68.98 2.04 1.3613 0 4 4 2 69.00 2.01 1.3611 4 0 4 2 69.43 1.19 1.3537 -4 7 1 2 69.47 1.21 1.3530 7 -3 1 2 69.49 1.22 1.3526 3 4 1 2 70.43 1.76 1.3370 -3 6 3 2 70.45 1.77 1.3366 6 -3 3 2 70.47 1.75 1.3362 3 3 3 2 71.48 1.08 1.3197 -5 7 1 2 71.50 2.40 1.3195 -2 7 1 2 71.51 2.45 1.3194 7 -5 1 2 71.54 1.09 1.3189 7 -2 1 2 71.54 1.08 1.3188 2 5 1 2 71.56 2.37 1.3186 5 2 1 2 72.39 3.04 1.3054 -2 3 5 2 72.39 2.10 1.3054 -1 3 5 2 72.39 2.05 1.3054 3 -2 5 2 72.40 3.04 1.3053 3 -1 5 2 72.40 3.00 1.3053 1 2 5 2 72.40 2.08 1.3052 2 1 5 2 72.62 2.10 1.3019 6 -6 2 2 72.65 2.13 1.3014 0 6 2 2 72.68 2.10 1.3010 6 0 2 2 74.08 2.03 1.2799 -4 5 4 2 74.08 5.19 1.2797 5 -4 4 2 74.09 5.15 1.2797 -1 5 4 2 74.10 2.04 1.2795 1 4 4 2 74.11 2.05 1.2794 5 -1 4 2 74.12 5.17 1.2793 4 1 4 2 74.15 1.19 1.2787 -6 7 0 2 74.20 1.18 1.2780 1 6 0 2 74.22 1.18 1.2777 -7 1 0 2 74.49 1.97 1.2738 -5 6 3 2 74.52 1.97 1.2733 1 5 3 2 74.54 1.95 1.2731 6 -1 3 2 75.53 2.06 1.2588 -6 7 1 2 75.58 2.07 1.2581 1 6 1 2 75.60 2.06 1.2579 7 -1 1 2 75.64 1.11 1.2573 -5 7 2 2 75.65 4.32 1.2570 -2 7 2 2 75.66 4.31 1.2570 7 -5 2 2 75.69 1.10 1.2565 7 -2 2 2 75.69 1.12 1.2565 2 5 2 2 75.71 4.28 1.2562 5 2 2 2 79.21 2.70 1.2093 4 4 0 2 80.44 1.76 1.1938 0 0 6 1 81.02 1.31 1.1867 -4 6 4 2 81.03 1.19 1.1866 -2 6 4 2 81.04 1.19 1.1865 6 -4 4 2 81.06 1.32 1.1863 6 -2 4 2 81.07 1.33 1.1862 2 4 4 2 81.08 1.18 1.1861 4 2 4 2 82.42 1.71 1.1702 -2 7 3 2 82.42 1.72 1.1701 7 -5 3 2 82.47 1.71 1.1695 5 2 3 2 83.38 2.39 1.1591 -1 2 6 2 83.38 2.39 1.1591 2 -1 6 2 83.38 2.39 1.1591 1 1 6 2 83.96 1.23 1.1526 -5 6 4 2 83.99 1.24 1.1522 1 5 4 2 84.00 1.24 1.1521 6 -1 4 2 84.28 1.76 1.1490 -3 5 5 2 84.30 1.77 1.1488 5 -2 5 2 84.31 1.75 1.1487 2 3 5 2 85.54 3.01 1.1352 3 5 2 2 86.30 1.13 1.1273 -6 7 3 2 86.34 1.13 1.1268 1 6 3 2 86.36 1.14 1.1266 7 -1 3 2 88.01 1.65 1.1096 7 1 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.