Spurrite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern R050236 Grice J D The Canadian Mineralogist 43 (2005) 1489-1500 The structure of spurrite, tilleyite and scawtite, and relationships to other silicate-carbonate minerals Locality: Cornet Hill, Apuseni Mountains, Romania CELL PARAMETERS: 10.46548 6.717773 14.16931 90.00000 101.2503 90.00000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 6.42 5.18 13.8970 0 0 1 12.79 69.83 6.9485 0 0 2 14.70 42.65 6.0482 0 1 1 16.42 4.07 5.4159 -1 1 1 17.26 25.44 5.1521 -2 0 1 17.33 22.15 5.1322 2 0 0 17.69 12.27 5.0275 1 1 1 19.21 20.77 4.6323 0 0 3 19.27 8.32 4.6180 -1 1 2 19.62 4.04 4.5354 2 0 1 21.41 1.49 4.1583 1 1 2 21.78 2.01 4.0882 -2 1 1 21.84 2.16 4.0782 2 1 0 23.26 33.36 3.8305 -2 0 3 23.37 30.13 3.8136 0 1 3 23.51 19.00 3.7900 2 0 2 23.56 16.23 3.7825 -2 1 2 23.71 12.14 3.7589 2 1 1 25.68 38.37 3.4743 0 0 4 26.24 8.58 3.4009 1 1 3 26.58 17.03 3.3589 0 2 0 26.83 3.86 3.3275 -2 1 3 27.05 5.51 3.3009 2 1 2 27.35 2.94 3.2649 0 2 1 27.99 36.93 3.1923 1 2 0 28.10 5.53 3.1793 -2 0 4 28.34 1.93 3.1533 -1 2 1 28.77 22.01 3.1075 -1 1 4 28.91 2.54 3.0926 -3 1 1 28.97 4.63 3.0860 0 1 4 29.12 3.66 3.0709 1 2 1 29.33 25.14 3.0488 3 1 0 29.58 29.08 3.0241 0 2 2 29.92 11.93 2.9897 -3 1 2 31.16 1.84 2.8737 -2 1 4 31.73 4.28 2.8235 1 1 4 31.84 2.60 2.8137 -2 2 1 31.88 4.01 2.8105 2 2 0 32.26 14.25 2.7782 -3 1 3 32.97 88.35 2.7193 0 2 3 33.11 93.34 2.7079 -2 2 2 33.13 2.50 2.7064 -1 2 3 33.22 100.00 2.6992 2 2 1 33.57 87.92 2.6720 -2 0 5 33.89 88.54 2.6472 2 0 4 34.14 15.44 2.6288 3 1 2 34.31 70.03 2.6162 -4 0 1 35.13 2.86 2.5571 1 2 3 35.67 5.24 2.5189 -3 1 4 36.51 6.18 2.4629 2 1 4 36.60 9.94 2.4571 -4 0 3 36.87 8.86 2.4399 4 0 1 36.90 1.29 2.4379 -4 1 1 37.21 23.93 2.4180 -3 2 1 37.42 3.63 2.4053 -4 1 2 37.55 2.08 2.3972 4 1 0 38.91 3.37 2.3162 0 0 6 39.02 12.23 2.3097 3 2 1 39.04 4.14 2.3090 -2 2 4 39.26 4.18 2.2965 2 2 3 39.40 1.51 2.2885 -4 0 4 39.50 2.12 2.2827 1 2 4 39.78 4.23 2.2677 4 0 2 39.81 2.03 2.2659 2 0 5 39.94 2.07 2.2588 -3 1 5 39.94 41.04 2.2585 -3 2 3 40.84 17.00 2.2107 0 3 1 41.25 20.53 2.1897 0 1 6 41.29 8.80 2.1878 1 3 0 41.52 13.30 2.1761 3 2 2 41.54 39.96 2.1751 -1 3 1 41.72 19.19 2.1662 -4 1 4 42.08 14.16 2.1486 4 1 2 42.10 4.79 2.1475 1 3 1 42.44 10.57 2.1313 0 3 2 42.75 19.86 2.1164 3 1 4 42.84 2.94 2.1121 -1 3 2 43.08 11.69 2.1007 -4 0 5 43.55 11.06 2.0793 4 0 3 43.89 1.14 2.0640 -4 2 1 43.86 6.11 2.0652 1 1 6 43.92 1.68 2.0624 1 3 2 44.12 4.07 2.0537 -2 3 1 44.15 6.00 2.0524 2 3 0 44.86 29.28 2.0213 -3 1 6 45.09 2.87 2.0114 -2 3 2 45.11 1.86 2.0108 -1 3 3 45.18 2.43 2.0079 2 3 1 45.25 2.88 2.0050 -4 1 5 45.46 10.12 1.9962 -5 1 1 45.63 24.83 1.9889 -5 1 2 45.70 8.33 1.9863 4 1 3 45.69 3.24 1.9866 -2 0 7 45.77 5.00 1.9831 -4 2 3 45.72 8.96 1.9853 0 0 7 46.00 1.58 1.9740 4 2 1 46.05 1.14 1.9718 2 0 6 46.26 6.41 1.9633 5 1 0 46.55 3.51 1.9519 -3 2 5 46.67 8.14 1.9472 1 3 3 46.90 12.19 1.9381 -1 1 7 47.07 2.76 1.9312 -1 2 6 47.49 2.79 1.9152 -4 0 6 47.71 52.80 1.9068 0 2 6 47.79 11.23 1.9039 0 1 7 48.01 3.98 1.8956 5 1 1 47.99 16.14 1.8964 3 1 5 48.03 2.62 1.8950 4 0 4 48.13 27.01 1.8912 -4 2 4 48.19 3.13 1.8892 -2 2 6 48.38 1.83 1.8822 0 3 4 48.45 36.96 1.8795 4 2 2 48.48 5.95 1.8784 2 2 5 48.61 2.08 1.8737 3 3 0 48.86 2.01 1.8647 -5 1 4 49.00 2.89 1.8597 -3 3 2 49.05 9.71 1.8578 3 2 4 49.83 1.57 1.8308 -2 3 4 50.01 1.68 1.8245 2 3 3 50.31 2.17 1.8141 -3 1 7 50.37 1.31 1.8122 1 1 7 50.64 5.91 1.8033 5 1 2 50.58 4.37 1.8053 -3 3 3 51.31 8.30 1.7811 -4 2 5 51.50 10.76 1.7749 -5 2 1 51.66 1.15 1.7698 -5 2 2 51.72 4.39 1.7680 4 2 3 51.77 14.97 1.7664 -5 1 5 51.90 2.67 1.7623 3 3 2 52.21 2.34 1.7525 -2 0 8 52.55 1.17 1.7419 -6 0 2 52.50 3.06 1.7434 -4 0 7 52.71 4.58 1.7371 0 0 8 52.82 2.40 1.7337 -1 2 7 53.40 3.88 1.7163 -2 3 5 53.61 11.25 1.7099 -2 2 7 53.62 3.06 1.7096 2 3 4 53.64 10.66 1.7091 0 2 7 53.71 1.70 1.7069 3 1 6 53.84 6.80 1.7031 5 2 1 53.82 3.79 1.7037 3 2 5 53.93 10.40 1.7005 2 2 6 54.04 2.86 1.6974 5 1 3 54.45 5.38 1.6854 1 3 5 54.62 1.78 1.6806 -5 2 4 54.66 10.92 1.6794 0 4 0 54.79 5.63 1.6758 3 3 3 55.02 3.86 1.6692 -6 0 4 55.22 1.76 1.6638 -4 2 6 55.39 4.47 1.6591 6 0 1 55.54 1.71 1.6551 -4 3 3 55.70 2.72 1.6504 4 2 4 55.65 3.78 1.6519 -1 4 1 55.73 2.27 1.6498 4 3 1 55.97 2.63 1.6432 -3 2 7 56.10 6.32 1.6397 1 4 1 56.27 2.27 1.6352 5 2 2 56.21 4.95 1.6368 -3 3 5 56.21 1.39 1.6367 -3 1 8 56.37 1.06 1.6324 0 4 2 56.67 2.48 1.6245 -1 3 6 56.70 3.19 1.6238 -1 4 2 57.33 4.10 1.6075 -5 2 5 57.75 5.59 1.5968 -2 4 1 57.77 3.49 1.5962 2 4 0 57.91 1.73 1.5927 2 3 5 58.13 1.93 1.5871 5 1 4 58.56 2.04 1.5764 -1 4 3 58.62 1.16 1.5749 2 4 1 58.98 1.15 1.5663 -1 2 8 59.02 4.75 1.5653 -2 0 9 59.41 3.29 1.5558 2 0 8 59.50 3.00 1.5538 -2 2 8 59.82 6.49 1.5463 -6 2 2 59.77 4.94 1.5474 -4 2 7 59.88 5.07 1.5447 -6 2 1 59.86 1.98 1.5453 3 1 7 59.85 7.14 1.5456 2 2 7 59.86 1.99 1.5452 1 4 3 59.91 4.55 1.5441 0 0 9 59.96 6.20 1.5430 0 2 8 60.11 5.07 1.5393 -3 3 6 60.32 3.55 1.5346 4 2 5 60.43 1.72 1.5321 -4 3 5 60.56 1.34 1.5291 -6 2 3 60.60 1.99 1.5282 -5 3 1 60.71 4.52 1.5257 -6 0 6 60.76 1.72 1.5244 6 2 0 60.74 5.68 1.5249 -5 3 2 60.76 2.43 1.5245 -5 2 6 61.32 8.18 1.5118 6 0 3 61.28 3.80 1.5128 -3 4 1 61.31 5.72 1.5120 0 4 4 61.51 1.15 1.5076 3 4 0 61.85 3.04 1.5003 -3 4 2 62.42 1.32 1.4878 -6 1 6 62.39 1.58 1.4884 1 2 8 62.50 1.59 1.4861 -2 3 7 62.53 6.51 1.4855 -3 1 9 62.71 1.89 1.4816 5 3 1 62.84 4.37 1.4788 5 1 5 62.79 1.26 1.4799 2 3 6 64.06 4.35 1.4536 -7 1 1 64.03 1.88 1.4543 -4 0 9 64.30 1.36 1.4488 -7 1 3 64.61 1.09 1.4426 -6 0 7 64.68 6.03 1.4412 -5 1 8 64.73 1.34 1.4401 4 0 7 64.93 3.92 1.4362 5 3 2 64.90 1.61 1.4369 -4 2 8 64.87 9.73 1.4374 0 4 5 65.11 2.30 1.4326 7 1 0 65.32 2.56 1.4286 -3 4 4 65.58 3.44 1.4235 -7 1 4 65.51 1.79 1.4249 4 2 6 65.66 7.70 1.4219 -2 4 5 65.90 1.96 1.4174 -5 3 5 65.86 8.52 1.4181 2 4 4 66.11 13.66 1.4133 -4 4 1 66.14 1.73 1.4127 -2 0 10 66.41 2.54 1.4077 3 1 8 66.56 2.02 1.4049 2 0 9 66.60 1.05 1.4042 1 4 5 66.66 2.83 1.4030 0 2 9 66.90 4.07 1.3987 3 4 3 67.42 3.91 1.3891 -6 2 6 67.43 2.95 1.3889 -1 3 8 67.58 1.80 1.3861 3 3 6 68.00 3.37 1.3786 6 2 3 68.13 3.36 1.3763 5 1 6 68.34 1.42 1.3725 0 3 8 68.57 2.37 1.3684 -1 4 6 68.90 1.86 1.3627 -6 3 3 69.09 2.20 1.3594 6 3 0 69.78 1.56 1.3477 -3 3 8 70.15 1.63 1.3415 3 4 4 70.48 5.54 1.3360 -4 0 10 71.24 6.52 1.3236 4 0 8 71.81 1.07 1.3145 -1 5 2 71.98 2.74 1.3118 -4 4 5 72.21 6.98 1.3081 -8 0 2 72.27 1.93 1.3072 -5 4 2 72.31 2.10 1.3065 4 4 3 72.70 1.92 1.3005 7 1 3 72.74 1.32 1.2999 5 4 0 72.75 1.07 1.2998 2 5 0 73.22 1.10 1.2925 -1 4 7 73.52 3.06 1.2880 -8 0 4 73.85 3.67 1.2830 8 0 0 73.81 2.04 1.2836 -7 1 7 73.86 1.48 1.2829 -2 3 9 74.08 1.13 1.2796 5 4 1 74.21 1.26 1.2777 2 3 8 74.89 1.45 1.2678 -2 5 3 74.99 1.72 1.2663 2 5 2 75.24 1.29 1.2627 -4 4 6 75.65 1.12 1.2569 4 4 4 76.14 2.27 1.2501 5 4 2 76.76 6.93 1.2414 -4 2 10 77.05 2.55 1.2376 -5 4 5 77.45 2.13 1.2321 -5 3 8 77.50 5.11 1.2315 4 2 8 78.29 1.01 1.2210 -7 3 4 78.45 9.07 1.2189 -8 2 2 78.61 1.25 1.2168 5 2 7 78.63 1.57 1.2166 3 4 6 78.94 1.70 1.2125 -4 1 11 79.22 1.06 1.2090 -6 4 2 79.28 1.15 1.2082 -6 4 1 79.54 2.28 1.2049 7 3 1 79.75 2.52 1.2022 4 1 9 79.83 2.71 1.2013 -2 2 11 79.99 1.73 1.1992 -6 0 10 80.05 1.08 1.1985 -5 4 6 80.19 1.13 1.1967 -7 3 5 80.25 3.49 1.1960 2 2 10 80.83 1.10 1.1889 3 1 10 81.02 2.23 1.1865 6 0 7 81.04 1.22 1.1863 3 5 3 81.36 3.86 1.1825 0 2 11 81.91 1.13 1.1759 8 2 1 81.93 1.76 1.1756 7 3 2 82.23 1.36 1.1722 -3 5 5 82.79 1.05 1.1656 -7 3 6 83.14 1.87 1.1615 -6 3 8 83.40 2.08 1.1586 -4 5 4 83.44 2.28 1.1582 -2 5 6 83.64 2.10 1.1559 4 5 2 83.83 1.78 1.1538 -8 2 6 83.66 2.21 1.1557 2 5 5 83.93 1.43 1.1527 6 3 5 84.07 2.09 1.1511 -3 1 12 84.47 1.52 1.1466 8 2 2 84.35 1.22 1.1480 -1 4 9 84.69 5.18 1.1442 -8 0 8 85.01 1.23 1.1407 7 3 3 84.95 1.47 1.1413 2 4 8 85.38 1.81 1.1367 3 2 10 85.38 6.19 1.1367 0 4 9 85.65 3.13 1.1339 8 0 4 85.98 1.42 1.1303 -5 5 1 86.08 3.88 1.1292 -7 3 7 86.11 1.53 1.1289 -5 5 2 86.22 1.39 1.1278 5 3 7 86.93 1.17 1.1204 -8 2 7 86.94 1.13 1.1203 -5 5 3 87.35 3.93 1.1160 0 6 1 87.54 1.11 1.1141 -7 4 1 87.73 1.19 1.1122 8 2 3 87.76 1.48 1.1119 -7 4 3 87.65 1.68 1.1130 1 6 0 87.68 1.06 1.1127 0 5 7 87.71 1.42 1.1124 1 4 9 87.85 2.27 1.1110 5 5 1 88.08 1.39 1.1087 -7 1 10 88.06 1.30 1.1088 2 2 11 88.36 1.88 1.1058 -5 3 10 88.49 1.02 1.1046 7 4 0 88.48 1.16 1.1047 -5 5 4 88.79 1.70 1.1017 7 3 4 89.18 1.71 1.0979 -9 1 6 88.97 1.50 1.0999 -4 5 6 89.37 2.17 1.0960 4 5 4 89.49 1.87 1.0948 0 2 12 89.49 1.87 1.0948 0 2 12 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.