Scawtite 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: Scawt Hill, near Larne, County Antrim, Ireland _database_code_amcsd 0006058 CELL PARAMETERS: 6.6310 15.1950 10.1210 90.000 100.590 90.000 SPACE GROUP: Im X-RAY WAVELENGTH: 1.541838 Cell Volume: 1002.403 Density (g/cm3): 2.760 MAX. ABS. INTENSITY / VOLUME**2: 7.496401861 RIR: 0.884 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.63 6.98 8.3233 0 1 1 2 11.65 4.32 7.5975 0 2 0 2 14.79 17.20 5.9902 1 1 0 2 17.83 10.71 4.9743 0 0 2 1 18.89 5.72 4.6985 -1 2 1 2 19.67 31.07 4.5137 0 3 1 2 21.14 20.90 4.2021 1 2 1 2 21.35 12.48 4.1617 0 2 2 2 22.23 4.11 3.9994 1 3 0 2 23.42 18.30 3.7987 0 4 0 2 25.13 27.32 3.5440 1 1 2 2 27.53 4.75 3.2399 0 1 3 2 27.82 27.92 3.2067 -2 1 1 2 27.82 6.92 3.2063 -1 4 1 2 27.85 5.59 3.2031 -1 0 3 1 29.44 18.04 3.0344 1 4 1 2 29.59 100.00 3.0191 0 4 2 2 29.83 6.43 2.9951 2 2 0 2 29.89 82.89 2.9895 -2 0 2 1 30.21 27.99 2.9583 1 3 2 2 30.28 2.66 2.9515 -1 2 3 2 30.97 4.91 2.8877 2 1 1 2 32.18 4.22 2.7819 -2 2 2 2 32.27 26.79 2.7744 0 3 3 2 32.46 1.08 2.7579 1 0 3 1 32.51 1.88 2.7543 1 5 0 2 32.52 2.63 2.7535 -2 3 1 2 35.29 13.74 2.5435 2 3 1 2 35.60 22.91 2.5219 2 0 2 1 36.03 24.30 2.4931 -1 5 2 2 36.11 16.96 2.4872 0 0 4 1 36.32 5.76 2.4735 2 4 0 2 36.71 1.92 2.4481 -1 1 4 2 37.58 2.88 2.3935 2 2 2 2 38.61 6.94 2.3319 -1 6 1 2 39.28 3.06 2.2938 -2 3 3 2 39.83 2.38 2.2632 1 6 1 2 39.95 4.59 2.2568 0 6 2 2 40.25 2.13 2.2405 0 5 3 2 40.42 26.45 2.2318 1 4 3 2 40.46 6.26 2.2294 -2 5 1 2 40.49 4.76 2.2277 -1 3 4 2 40.85 15.41 2.2090 -3 0 1 1 41.42 1.11 2.1798 -2 0 4 1 41.60 5.38 2.1708 1 1 4 2 42.01 6.36 2.1508 3 1 0 2 42.62 5.32 2.1211 -3 2 1 2 42.63 3.08 2.1208 0 7 1 2 42.79 7.70 2.1135 2 5 1 2 43.18 1.68 2.0953 -2 2 4 2 45.04 13.56 2.0127 1 3 4 2 45.13 1.70 2.0089 -1 0 5 1 45.42 1.72 1.9967 3 3 0 2 47.03 1.54 1.9323 -2 6 2 2 47.14 1.60 1.9278 -3 2 3 2 47.89 15.46 1.8994 0 8 0 2 48.13 40.69 1.8906 -2 4 4 2 48.82 9.04 1.8654 1 6 3 2 48.83 6.87 1.8650 1 7 2 2 49.11 1.11 1.8551 3 1 2 2 50.41 1.34 1.8103 -2 7 1 2 50.41 1.69 1.8102 -1 8 1 2 50.68 5.37 1.8012 3 4 1 2 51.38 4.68 1.7785 1 5 4 2 51.41 6.46 1.7775 1 8 1 2 51.46 4.10 1.7759 -1 4 5 2 51.50 1.53 1.7744 0 8 2 2 51.58 2.58 1.7720 2 2 4 2 51.72 1.43 1.7674 3 5 0 2 51.80 12.82 1.7649 -3 4 3 2 51.87 2.60 1.7628 1 2 5 2 52.39 1.17 1.7466 2 7 1 2 52.49 4.61 1.7433 -2 3 5 2 54.59 1.63 1.6812 3 0 3 1 54.90 3.67 1.6723 -1 1 6 2 55.80 1.36 1.6476 -4 1 1 2 55.97 2.53 1.6430 2 4 4 2 56.04 1.08 1.6410 2 8 0 2 56.24 2.09 1.6357 1 4 5 2 56.29 2.35 1.6344 1 9 0 2 56.31 2.24 1.6337 -1 8 3 2 56.47 3.35 1.6295 4 0 0 1 57.48 5.19 1.6032 -2 8 2 2 57.55 9.54 1.6016 -2 0 6 1 57.74 2.40 1.5967 -1 3 6 2 57.95 6.31 1.5914 3 6 1 2 58.23 1.44 1.5844 -2 5 5 2 58.60 3.38 1.5752 -4 3 1 2 58.66 1.50 1.5739 -1 6 5 2 58.67 1.94 1.5736 -4 1 3 2 58.97 4.08 1.5662 -3 6 3 2 59.05 2.62 1.5643 1 8 3 2 59.45 3.34 1.5547 4 1 1 2 59.46 6.83 1.5546 -3 5 4 2 60.19 6.42 1.5374 3 4 3 2 60.27 6.40 1.5356 3 7 0 2 60.39 3.61 1.5328 1 1 6 2 60.97 1.28 1.5196 0 4 6 2 61.08 2.65 1.5172 2 8 2 2 61.59 1.68 1.5059 -4 4 2 2 61.70 5.14 1.5035 2 3 5 2 61.80 5.49 1.5012 -2 9 1 2 62.10 1.01 1.4948 -4 0 4 1 63.07 2.28 1.4740 1 3 6 2 63.13 1.37 1.4727 -1 10 1 2 63.17 2.28 1.4720 -1 5 6 2 63.99 6.07 1.4549 1 10 1 2 64.41 2.82 1.4466 -3 1 6 2 64.54 2.01 1.4438 4 2 2 2 64.60 1.09 1.4426 3 3 4 2 64.73 4.89 1.4402 -3 8 1 2 65.95 1.13 1.4164 3 7 2 2 66.65 1.17 1.4033 -4 5 3 2 67.26 2.06 1.3919 3 8 1 2 67.38 1.09 1.3899 4 5 1 2 67.91 1.59 1.3802 -1 8 5 2 67.98 1.38 1.3790 2 0 6 1 68.33 2.26 1.3729 -1 10 3 2 68.40 1.56 1.3715 4 4 2 2 69.01 2.00 1.3610 4 1 3 2 69.70 1.19 1.3491 3 0 5 1 70.09 1.45 1.3425 -4 3 5 2 70.34 1.56 1.3384 1 0 7 1 71.51 6.70 1.3193 4 3 3 2 74.40 1.36 1.2752 0 11 3 2 74.86 1.75 1.2684 4 7 1 2 75.04 1.61 1.2658 -4 5 5 2 75.38 1.77 1.2609 4 0 4 1 75.39 4.03 1.2607 -1 1 8 2 75.70 2.04 1.2564 1 7 6 2 76.02 2.05 1.2519 -3 10 1 2 76.22 1.18 1.2491 -2 9 5 2 76.42 1.05 1.2463 4 5 3 2 77.12 1.05 1.2367 4 8 0 2 77.30 1.57 1.2344 -3 9 4 2 77.36 1.46 1.2336 -3 4 7 2 77.82 1.87 1.2274 -1 3 8 2 77.84 1.05 1.2271 0 12 2 2 78.05 1.16 1.2244 -2 8 6 2 79.28 1.13 1.2084 -3 10 3 2 81.85 1.37 1.1768 -2 7 7 2 82.53 2.03 1.1689 1 11 4 2 82.92 1.21 1.1644 1 10 5 2 83.24 1.04 1.1607 -3 11 2 2 83.79 1.59 1.1544 -4 9 3 2 84.19 1.19 1.1500 -1 8 7 2 85.04 5.71 1.1406 -5 4 5 2 85.59 1.25 1.1347 0 11 5 2 86.19 1.06 1.1284 0 12 4 2 86.29 1.18 1.1273 3 10 3 2 87.89 2.17 1.1109 3 11 2 2 89.00 1.70 1.0999 3 8 5 2 89.51 1.44 1.0949 -2 12 4 2 89.60 2.78 1.0940 1 8 7 2 89.71 1.77 1.0930 -1 7 8 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.