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 #AU92 Locality: synthetic _database_code_amcsd 0018942 CELL PARAMETERS: 5.4205 13.2735 5.8573 90.000 124.430 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 347.600 Density (g/cm3): 3.442 MAX. ABS. INTENSITY / VOLUME**2: 7.658143589 RIR: 0.724 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.85 5.38 4.9679 -1 0 1 2 18.36 19.79 4.8312 0 0 1 2 19.08 50.82 4.6527 -1 1 1 4 19.55 57.32 4.5398 0 1 1 4 19.86 10.53 4.4709 1 0 0 2 20.97 65.49 4.2370 1 1 0 4 22.35 23.85 3.9771 -1 2 1 4 22.77 3.97 3.9059 0 2 1 4 24.00 12.86 3.7080 1 2 0 4 26.87 12.22 3.3184 0 4 0 2 26.99 41.52 3.3041 -1 3 1 4 27.33 29.78 3.2629 0 3 1 4 28.38 7.57 3.1449 1 3 0 4 30.54 38.50 2.9273 -1 0 2 2 32.45 72.29 2.7594 -1 4 1 4 32.74 39.03 2.7353 0 4 1 4 33.31 53.20 2.6895 -2 0 1 2 33.46 80.45 2.6783 -1 2 2 4 33.63 100.00 2.6646 1 4 0 4 34.01 7.01 2.6359 -2 1 1 4 34.17 57.89 2.6241 1 0 1 2 34.85 1.90 2.5743 1 1 1 4 36.03 43.80 2.4926 -2 2 1 4 36.16 10.63 2.4839 -2 0 2 2 36.83 41.90 2.4403 1 2 1 4 38.45 9.42 2.3414 -1 5 1 4 38.70 12.31 2.3266 0 5 1 4 38.71 3.95 2.3263 -2 2 2 4 39.48 3.01 2.2826 1 5 0 4 39.71 27.52 2.2699 0 2 2 4 40.35 2.46 2.2355 2 0 0 2 40.79 23.69 2.2122 0 6 0 2 40.94 3.19 2.2044 2 1 0 4 41.12 5.49 2.1952 -1 4 2 4 41.70 56.18 2.1659 -2 3 2 4 42.64 40.93 2.1202 0 3 2 4 42.68 3.49 2.1185 2 2 0 4 43.30 10.01 2.0894 -2 4 1 4 43.99 10.78 2.0583 1 4 1 4 44.85 4.61 2.0209 -1 6 1 4 45.46 36.03 1.9953 2 3 0 4 46.50 4.39 1.9530 0 4 2 4 47.90 6.61 1.8991 -2 1 3 4 48.54 10.60 1.8757 -1 1 3 4 49.44 3.80 1.8434 -2 2 3 4 50.62 1.34 1.8033 -3 0 2 2 51.12 4.69 1.7869 -3 1 2 4 51.59 4.69 1.7716 -1 7 1 4 51.79 5.24 1.7651 0 7 1 4 51.80 27.03 1.7649 -1 6 2 4 51.94 3.29 1.7604 -2 3 3 4 52.41 15.17 1.7457 1 7 0 4 52.54 3.56 1.7417 -1 3 3 4 52.59 1.33 1.7402 -3 2 2 4 52.73 4.10 1.7361 1 1 2 4 53.57 4.96 1.7107 -3 1 1 4 53.60 5.94 1.7100 2 5 0 4 53.64 5.64 1.7085 -2 6 1 4 54.17 3.58 1.6932 1 2 2 4 54.23 8.47 1.6914 1 6 1 4 54.55 2.03 1.6823 2 1 1 4 54.99 12.05 1.6699 -3 3 2 4 55.30 9.73 1.6611 -2 4 3 4 55.37 19.27 1.6592 0 8 0 2 55.49 10.36 1.6560 -3 0 3 2 55.63 6.70 1.6520 -2 6 2 4 55.88 1.80 1.6454 -1 4 3 4 55.96 1.96 1.6432 2 2 1 4 56.40 17.81 1.6315 0 6 2 4 56.52 6.76 1.6282 1 3 2 4 57.20 9.89 1.6104 0 0 3 2 57.35 4.75 1.6067 -3 2 3 4 58.23 26.17 1.5845 -3 4 2 4 58.72 19.81 1.5724 2 6 0 4 59.02 6.53 1.5650 0 2 3 4 59.44 3.22 1.5551 -2 5 3 4 59.71 19.02 1.5487 1 4 2 4 59.99 2.67 1.5422 -1 5 3 4 60.49 1.88 1.5306 -3 4 1 4 61.39 6.17 1.5102 2 4 1 4 62.24 3.96 1.4917 -3 5 2 4 62.30 2.58 1.4903 3 0 0 2 63.57 21.92 1.4636 -2 0 4 2 63.66 2.04 1.4618 1 5 2 4 64.03 9.24 1.4541 3 2 0 4 64.26 2.52 1.4495 -2 6 3 4 64.43 1.47 1.4461 2 7 0 4 66.18 11.50 1.4121 -2 8 1 4 66.70 10.88 1.4024 1 8 1 4 66.79 1.84 1.4006 1 9 0 4 67.05 5.51 1.3959 -3 1 4 4 67.94 5.76 1.3797 -2 8 2 4 68.00 1.13 1.3787 -1 0 4 2 68.30 2.40 1.3733 -3 2 4 4 68.41 1.14 1.3713 -1 1 4 4 68.62 1.14 1.3676 0 8 2 4 69.72 2.86 1.3488 -2 7 3 4 69.89 1.47 1.3460 2 6 1 4 69.96 11.09 1.3447 -4 0 2 2 70.23 3.59 1.3403 -1 7 3 4 70.37 2.58 1.3380 -3 3 4 4 70.37 2.46 1.3379 -4 1 2 4 70.71 2.56 1.3323 2 8 0 4 70.72 4.71 1.3322 -4 1 3 4 71.12 2.18 1.3257 -3 6 3 4 71.97 12.21 1.3121 2 0 2 2 72.31 2.70 1.3067 -3 7 2 4 72.37 2.47 1.3057 2 1 2 4 72.61 1.76 1.3020 0 6 3 4 73.21 3.79 1.2928 -3 4 4 4 73.63 2.44 1.2865 1 7 2 4 74.34 1.92 1.2760 -3 7 1 4 74.42 2.12 1.2748 1 2 3 4 74.53 12.97 1.2732 -1 4 4 4 74.88 3.54 1.2681 -2 9 2 4 75.16 1.06 1.2641 2 7 1 4 75.53 1.81 1.2588 0 9 2 4 75.59 1.11 1.2579 2 3 2 4 76.12 1.67 1.2504 -4 1 1 4 77.18 5.92 1.2360 3 6 0 4 77.54 1.34 1.2311 2 9 0 4 78.33 1.17 1.2207 -2 6 4 4 78.37 1.34 1.2201 2 4 2 4 79.19 5.37 1.2096 1 4 3 4 79.24 14.42 1.2089 -1 10 2 4 79.29 1.58 1.2083 -4 -3 1 4 80.29 2.04 1.1958 -4 -3 4 4 80.42 3.15 1.1942 3 3 1 4 80.73 4.77 1.1903 -2 10 1 4 81.21 4.30 1.1844 1 10 1 4 82.21 1.08 1.1726 -1 11 1 4 82.25 4.21 1.1721 -3 8 3 4 82.37 1.27 1.1707 0 11 1 4 82.85 3.37 1.1652 0 3 4 4 83.01 2.08 1.1633 0 10 2 4 83.15 1.60 1.1617 3 4 1 4 83.69 5.44 1.1556 0 8 3 4 85.53 1.63 1.1354 -4 -5 1 4 86.21 4.16 1.1282 -3 7 4 4 86.64 2.89 1.1236 3 5 1 4 86.98 1.13 1.1201 1 6 3 4 87.22 1.14 1.1177 4 0 0 2 87.47 1.66 1.1151 -1 7 4 4 88.76 2.38 1.1022 4 2 0 4 89.05 1.07 1.0994 0 5 4 4 89.23 5.43 1.0976 -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.