Itoigawaite Liebscher A, Dorsam G, Franz G, Wunder B, Gottschalk M American Mineralogist 95 (2010) 724-735 Crystal chemistry of synthetic lawsonite solid-solution series CaAl2 [(OH)2/(Si2O7)](H2O)-SrAl2[(OH)2/(Si2O7)](H2O) and the Cmcm-P2_1/m phase transition Note: Run #AU91 Locality: synthetic _database_code_amcsd 0018940 CELL PARAMETERS: 5.3962 13.2461 5.8505 90.000 124.390 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 345.092 Density (g/cm3): 3.358 MAX. ABS. INTENSITY / VOLUME**2: 6.887616883 RIR: 0.668 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.91 9.04 4.9515 -1 0 1 2 18.38 24.12 4.8279 0 0 1 2 19.14 40.59 4.6380 -1 1 1 4 19.57 44.38 4.5360 0 1 1 4 19.94 7.84 4.4530 1 0 0 2 21.05 57.82 4.2209 1 1 0 4 22.42 16.92 3.9657 -1 2 1 4 22.79 3.75 3.9014 0 2 1 4 24.08 21.06 3.6954 1 2 0 4 26.92 9.30 3.3115 0 4 0 2 27.06 35.07 3.2954 -1 3 1 4 27.37 24.92 3.2582 0 3 1 4 28.47 4.96 3.1354 1 3 0 4 30.57 37.93 2.9241 -1 0 2 2 31.33 1.17 2.8554 -1 1 2 4 32.53 69.97 2.7526 -1 4 1 4 32.79 42.42 2.7309 0 4 1 4 33.47 50.20 2.6771 -2 0 1 2 33.50 78.03 2.6750 -1 2 2 4 33.73 100.00 2.6573 1 4 0 4 34.17 8.21 2.6240 -2 1 1 4 34.25 56.61 2.6182 1 0 1 2 34.93 2.25 2.5685 1 1 1 4 36.19 40.22 2.4820 -2 2 1 4 36.29 14.35 2.4757 -2 0 2 2 36.92 39.41 2.4349 1 2 1 4 37.25 1.21 2.4140 0 0 2 2 37.89 2.65 2.3748 0 1 2 4 38.54 8.89 2.3359 -1 5 1 4 38.77 10.02 2.3225 0 5 1 4 38.83 4.83 2.3190 -2 2 2 4 39.58 7.61 2.2768 1 5 0 4 39.74 24.40 2.2680 0 2 2 4 40.52 2.73 2.2265 2 0 0 2 40.88 19.41 2.2077 0 6 0 2 41.11 3.09 2.1957 2 1 0 4 41.18 5.32 2.1919 -1 4 2 4 41.83 53.17 2.1594 -2 3 2 4 42.69 39.22 2.1181 0 3 2 4 42.85 2.98 2.1104 2 2 0 4 43.47 7.87 2.0819 -2 4 1 4 44.09 8.41 2.0538 1 4 1 4 44.96 4.55 2.0163 -1 6 1 4 45.63 32.43 1.9880 2 3 0 4 46.56 3.24 1.9507 0 4 2 4 47.99 6.08 1.8957 -2 1 3 4 48.05 1.05 1.8935 -1 0 3 2 48.57 8.02 1.8744 -1 1 3 4 49.54 2.71 1.8400 -2 2 3 4 50.86 1.05 1.7954 -3 0 2 2 51.35 4.06 1.7792 -3 1 2 4 51.72 3.65 1.7676 -1 7 1 4 51.89 27.31 1.7619 -1 6 2 4 51.90 4.26 1.7618 0 7 1 4 52.05 2.55 1.7572 -2 3 3 4 52.55 15.19 1.7416 1 7 0 4 52.59 2.62 1.7402 -1 3 3 4 52.82 3.39 1.7334 1 1 2 4 52.83 2.71 1.7329 -3 2 2 4 53.78 6.16 1.7045 2 5 0 4 53.82 4.34 1.7032 -2 6 1 4 53.84 4.07 1.7029 -3 1 1 4 54.26 4.00 1.6905 1 2 2 4 54.36 6.91 1.6878 1 6 1 4 54.72 1.66 1.6774 2 1 1 4 55.23 11.81 1.6632 -3 3 2 4 55.42 9.27 1.6580 -2 4 3 4 55.50 20.21 1.6558 0 8 0 2 55.69 10.34 1.6505 -3 0 3 2 55.79 7.00 1.6477 -2 6 2 4 55.94 2.30 1.6438 -1 4 3 4 56.14 1.16 1.6384 2 2 1 4 56.49 17.06 1.6291 0 6 2 4 56.62 6.33 1.6256 1 3 2 4 57.25 10.59 1.6093 0 0 3 2 57.55 4.59 1.6015 -3 2 3 4 58.47 27.97 1.5784 -3 4 2 4 58.91 20.83 1.5677 2 6 0 4 59.07 6.60 1.5638 0 2 3 4 59.56 2.88 1.5522 -2 5 3 4 59.82 23.23 1.5461 1 4 2 4 60.06 1.75 1.5405 -1 5 3 4 60.76 1.72 1.5244 -3 4 1 4 61.58 5.18 1.5060 2 4 1 4 62.49 4.03 1.4863 -3 5 2 4 62.58 2.07 1.4843 3 0 0 2 63.64 24.19 1.4621 -2 0 4 2 63.78 1.76 1.4592 1 5 2 4 64.32 8.22 1.4484 3 2 0 4 64.40 2.30 1.4468 -2 6 3 4 64.64 1.51 1.4419 2 7 0 4 66.39 10.72 1.4082 -2 8 1 4 66.86 10.69 1.3994 1 8 1 4 66.96 1.80 1.3974 1 9 0 4 67.21 4.56 1.3928 -3 1 4 4 68.13 6.25 1.3763 -2 8 2 4 68.47 2.54 1.3703 -3 2 4 4 68.75 1.79 1.3654 0 8 2 4 69.88 2.60 1.3461 -2 7 3 4 70.10 1.26 1.3424 2 6 1 4 70.33 10.14 1.3385 -4 0 2 2 70.33 2.81 1.3385 -1 7 3 4 70.54 1.93 1.3350 -3 3 4 4 70.74 3.09 1.3318 -4 1 2 4 70.93 2.82 1.3286 2 8 0 4 71.06 4.19 1.3267 -4 1 3 4 71.35 1.71 1.3219 -3 6 3 4 72.16 11.74 1.3091 2 0 2 2 72.56 2.98 1.3028 2 1 2 4 72.58 2.40 1.3025 -3 7 2 4 72.71 1.58 1.3005 0 6 3 4 73.40 4.14 1.2900 -3 4 4 4 73.79 2.19 1.2842 1 7 2 4 74.00 1.07 1.2810 -4 -3 2 4 74.54 1.45 1.2731 1 2 3 4 74.60 13.28 1.2722 -1 4 4 4 74.64 1.43 1.2716 -3 7 1 4 75.09 2.56 1.2651 -2 9 2 4 75.68 1.21 1.2566 0 9 2 4 75.79 1.38 1.2551 2 3 2 4 76.53 1.48 1.2448 -4 1 1 4 77.49 5.26 1.2318 3 6 0 4 78.58 1.19 1.2174 2 4 2 4 79.32 4.79 1.2079 1 4 3 4 79.42 15.65 1.2066 -1 10 2 4 79.70 1.54 1.2031 -4 -3 1 4 80.60 1.87 1.1919 -4 -3 4 4 80.72 3.13 1.1904 3 3 1 4 80.98 4.60 1.1872 -2 10 1 4 81.42 4.15 1.1820 1 10 1 4 82.43 1.02 1.1701 -1 11 1 4 82.52 4.45 1.1689 -3 8 3 4 82.57 1.03 1.1684 0 11 1 4 82.93 2.87 1.1643 0 3 4 4 83.19 1.75 1.1613 0 10 2 4 83.47 1.63 1.1581 3 4 1 4 83.83 5.54 1.1540 0 8 3 4 85.96 1.66 1.1308 -4 -5 1 4 86.44 3.85 1.1258 -3 7 4 4 86.97 3.02 1.1202 3 5 1 4 87.59 1.66 1.1139 -1 7 4 4 87.66 1.69 1.1133 4 0 0 2 89.21 2.46 1.0979 4 2 0 4 89.40 5.97 1.0960 -2 8 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.