Svyatoslavite Krivovichev S V, Shcherbakova E P, Nishanbaev T P The Canadian Mineralogist 50 (2012) 585-592 The crystal structure of svyatoslavite and evolution of complexity during crystallization of a CaAl2Si2O8 melt: A structural automata description Locality: mine #45 near Kopeysk, Chelyabinsk area, southern Urals, Russia _database_code_amcsd 0019485 CELL PARAMETERS: 8.2200 8.9510 4.8280 90.000 90.000 90.000 SPACE GROUP: P2_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 355.231 Density (g/cm3): 2.601 MAX. ABS. INTENSITY / VOLUME**2: 9.699487141 RIR: 1.214 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.63 4.17 6.0544 1 1 0 2 18.38 6.16 4.8280 0 0 1 2 19.84 3.80 4.4755 0 2 0 1 20.91 4.10 4.2493 0 1 1 2 21.34 41.01 4.1630 -1 0 1 2 21.34 22.28 4.1630 1 0 1 2 21.62 45.75 4.1100 2 0 0 2 23.57 15.19 3.7747 -1 1 1 2 23.57 31.97 3.7747 1 1 1 2 27.17 100.00 3.2822 0 2 1 2 29.30 1.39 3.0482 1 2 1 2 29.51 27.61 3.0272 2 2 0 2 30.25 23.13 2.9542 -2 1 1 2 30.25 22.46 2.9542 2 1 1 2 31.91 29.43 2.8046 1 3 0 2 34.22 4.13 2.6200 3 1 0 2 34.99 5.31 2.5647 -2 2 1 2 34.99 8.92 2.5647 2 2 1 2 37.07 5.30 2.4251 -1 3 1 2 37.07 5.12 2.4251 1 3 1 2 37.75 3.20 2.3830 3 0 1 2 37.75 3.80 2.3830 -3 0 1 2 38.63 6.90 2.3307 0 1 2 2 39.12 3.40 2.3028 3 1 1 2 40.22 5.05 2.2423 -1 1 2 2 40.22 3.70 2.2423 1 1 2 2 40.30 2.10 2.2378 0 4 0 1 41.83 3.55 2.1595 -2 3 1 2 41.83 5.15 2.1595 2 3 1 2 42.55 1.10 2.1246 0 2 2 2 43.00 14.87 2.1034 3 2 1 2 43.00 20.12 2.1034 -3 2 1 2 43.48 1.83 2.0815 -2 0 2 2 43.48 2.19 2.0815 2 0 2 2 44.02 4.33 2.0570 -1 2 2 2 44.02 3.61 2.0570 1 2 2 2 44.07 8.19 2.0550 4 0 0 2 44.63 14.92 2.0303 0 4 1 2 44.70 3.31 2.0274 -2 1 2 2 44.70 3.52 2.0274 2 1 2 2 46.19 2.56 1.9653 2 4 0 2 48.51 3.76 1.8767 0 3 2 2 48.76 2.06 1.8675 4 2 0 2 49.84 1.12 1.8296 1 3 2 2 50.11 3.61 1.8203 -2 4 1 2 50.11 2.11 1.8203 2 4 1 2 52.30 3.65 1.7492 1 5 0 2 52.54 1.16 1.7418 4 2 1 2 53.69 1.17 1.7071 -2 3 2 2 54.66 11.12 1.6790 3 2 2 2 54.66 10.19 1.6790 -3 2 2 2 54.68 1.29 1.6785 0 5 1 2 55.91 1.08 1.6446 -1 5 1 2 56.04 4.27 1.6411 0 4 2 2 56.41 3.99 1.6313 -3 4 1 2 56.41 4.42 1.6313 3 4 1 2 57.24 3.73 1.6093 -1 4 2 2 57.24 1.49 1.6093 1 4 2 2 58.43 1.02 1.5793 -1 0 3 2 59.39 2.05 1.5563 5 0 1 2 59.39 5.78 1.5563 -5 0 1 2 59.72 1.30 1.5483 3 3 2 2 60.37 4.44 1.5332 5 1 1 2 60.37 1.17 1.5332 -5 1 1 2 61.20 1.80 1.5144 0 2 3 2 62.23 8.20 1.4918 0 6 0 1 63.26 1.20 1.4699 -5 2 1 2 64.74 6.80 1.4399 5 3 0 2 64.84 2.62 1.4379 0 5 2 2 65.18 1.46 1.4313 -3 5 1 2 65.18 1.99 1.4313 3 5 1 2 65.49 1.45 1.4253 0 6 1 2 65.71 2.68 1.4210 -2 2 3 2 65.71 2.54 1.4210 2 2 3 2 65.95 8.40 1.4164 0 3 3 2 66.40 1.95 1.4079 3 4 2 2 66.40 4.19 1.4079 -3 4 2 2 66.59 1.39 1.4044 -1 6 1 2 66.70 2.47 1.4023 2 6 0 2 67.50 1.33 1.3877 3 0 3 2 68.49 3.06 1.3700 6 0 0 2 69.22 2.99 1.3573 -2 5 2 2 69.22 2.48 1.3573 2 5 2 2 70.04 2.46 1.3434 5 1 2 2 70.30 1.77 1.3391 -2 3 3 2 70.30 2.81 1.3391 2 3 3 2 72.32 2.37 1.3065 0 4 3 2 72.73 2.49 1.3002 5 2 2 2 72.73 4.91 1.3002 -5 2 2 2 74.23 1.11 1.2777 -5 4 1 2 75.15 1.32 1.2643 6 2 1 2 77.13 1.17 1.2366 5 3 2 2 77.17 1.29 1.2361 0 7 1 2 79.09 1.34 1.2109 5 5 0 2 79.39 1.00 1.2070 0 0 4 2 79.50 1.41 1.2056 -6 3 1 2 80.25 1.63 1.1962 0 1 4 2 81.27 1.52 1.1837 2 7 1 2 81.27 2.05 1.1837 -2 7 1 2 81.64 1.01 1.1793 3 4 3 2 82.05 1.59 1.1745 5 5 1 2 83.17 3.09 1.1615 -5 4 2 2 83.17 1.95 1.1615 5 4 2 2 83.41 2.24 1.1587 3 7 0 2 84.19 1.09 1.1500 5 0 3 2 84.19 1.57 1.1500 -5 0 3 2 84.32 1.09 1.1485 2 1 4 2 86.88 1.10 1.1212 2 2 4 2 86.88 1.02 1.1212 -2 2 4 2 88.41 1.15 1.1057 7 2 1 2 89.37 1.35 1.0963 3 1 4 2 89.37 1.50 1.0963 -3 1 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.