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 #AU89 Locality: synthetic _database_code_amcsd 0018944 CELL PARAMETERS: 5.4222 13.2778 5.8584 90.000 124.420 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 347.929 Density (g/cm3): 3.446 MAX. ABS. INTENSITY / VOLUME**2: 7.621861019 RIR: 0.720 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.85 4.78 4.9689 -1 0 1 2 18.36 19.91 4.8327 0 0 1 2 19.07 53.51 4.6537 -1 1 1 4 19.55 59.27 4.5412 0 1 1 4 19.85 10.69 4.4729 1 0 0 2 20.96 66.50 4.2388 1 1 0 4 22.35 23.06 3.9781 -1 2 1 4 22.76 4.49 3.9071 0 2 1 4 23.99 12.71 3.7095 1 2 0 4 26.86 13.05 3.3194 0 4 0 2 26.98 41.74 3.3050 -1 3 1 4 27.32 30.29 3.2640 0 3 1 4 28.37 7.71 3.1461 1 3 0 4 30.53 38.94 2.9279 -1 0 2 2 32.44 73.11 2.7602 -1 4 1 4 32.73 39.84 2.7362 0 4 1 4 33.30 53.26 2.6904 -2 0 1 2 33.45 81.50 2.6789 -1 2 2 4 33.62 100.00 2.6656 1 4 0 4 34.00 7.58 2.6368 -2 1 1 4 34.15 58.87 2.6252 1 0 1 2 34.84 2.03 2.5754 1 1 1 4 36.02 44.13 2.4934 -2 2 1 4 36.15 10.84 2.4845 -2 0 2 2 36.82 41.97 2.4413 1 2 1 4 37.84 1.02 2.3773 0 1 2 4 38.44 9.55 2.3421 -1 5 1 4 38.69 12.52 2.3273 0 5 1 4 38.70 4.20 2.3269 -2 2 2 4 39.46 2.77 2.2834 1 5 0 4 39.70 27.89 2.2706 0 2 2 4 40.33 2.47 2.2364 2 0 0 2 40.77 24.03 2.2130 0 6 0 2 40.92 3.75 2.2054 2 1 0 4 41.11 5.73 2.1958 -1 4 2 4 41.69 57.46 2.1665 -2 3 2 4 42.63 41.46 2.1209 0 3 2 4 42.66 3.26 2.1194 2 2 0 4 43.29 10.13 2.0901 -2 4 1 4 43.97 11.22 2.0591 1 4 1 4 44.83 4.71 2.0215 -1 6 1 4 45.44 36.01 1.9961 2 3 0 4 46.48 4.48 1.9536 0 4 2 4 47.89 6.83 1.8995 -2 1 3 4 48.01 1.05 1.8951 -1 0 3 2 48.53 10.72 1.8761 -1 1 3 4 49.43 3.70 1.8437 -2 2 3 4 50.60 1.21 1.8039 -3 0 2 2 51.10 4.76 1.7874 -3 1 2 4 51.57 4.96 1.7721 -1 7 1 4 51.78 5.52 1.7657 0 7 1 4 51.78 26.91 1.7654 -1 6 2 4 51.93 3.26 1.7608 -2 3 3 4 52.39 15.50 1.7463 1 7 0 4 52.53 3.81 1.7421 -1 3 3 4 52.57 1.44 1.7407 -3 2 2 4 52.70 4.40 1.7368 1 1 2 4 53.55 5.19 1.7114 -3 1 1 4 53.57 6.12 1.7106 2 5 0 4 53.62 5.48 1.7091 -2 6 1 4 54.15 3.56 1.6938 1 2 2 4 54.21 8.64 1.6920 1 6 1 4 54.52 2.01 1.6831 2 1 1 4 54.97 12.56 1.6704 -3 3 2 4 55.29 9.93 1.6615 -2 4 3 4 55.35 19.36 1.6597 0 8 0 2 55.48 10.33 1.6563 -3 0 3 2 55.62 6.73 1.6525 -2 6 2 4 55.86 1.98 1.6458 -1 4 3 4 55.93 1.88 1.6439 2 2 1 4 56.38 17.73 1.6320 0 6 2 4 56.50 6.73 1.6289 1 3 2 4 57.18 10.16 1.6109 0 0 3 2 57.33 4.74 1.6071 -3 2 3 4 58.21 26.18 1.5849 -3 4 2 4 58.69 19.82 1.5730 2 6 0 4 59.00 6.65 1.5655 0 2 3 4 59.42 3.49 1.5555 -2 5 3 4 59.68 19.30 1.5493 1 4 2 4 59.97 2.54 1.5426 -1 5 3 4 60.46 1.96 1.5312 -3 4 1 4 61.36 6.14 1.5108 2 4 1 4 62.22 4.17 1.4922 -3 5 2 4 62.27 2.62 1.4910 3 0 0 2 63.55 22.14 1.4639 -2 0 4 2 63.63 2.11 1.4623 1 5 2 4 64.00 9.25 1.4547 3 2 0 4 64.24 2.50 1.4499 -2 6 3 4 64.41 1.63 1.4466 2 7 0 4 66.06 1.00 1.4143 -1 9 1 4 66.15 11.80 1.4126 -2 8 1 4 66.67 10.93 1.4029 1 8 1 4 66.77 1.73 1.4011 1 9 0 4 67.03 5.75 1.3962 -3 1 4 4 67.92 5.80 1.3801 -2 8 2 4 67.98 1.09 1.3790 -1 0 4 2 68.28 2.30 1.3736 -3 2 4 4 68.40 1.11 1.3716 -1 1 4 4 68.60 1.11 1.3681 0 8 2 4 69.70 2.92 1.3491 -2 7 3 4 69.85 1.50 1.3465 2 6 1 4 69.93 10.98 1.3452 -4 0 2 2 70.20 3.71 1.3406 -1 7 3 4 70.34 2.61 1.3384 -4 1 2 4 70.35 2.59 1.3382 -3 3 4 4 70.68 2.66 1.3328 2 8 0 4 70.70 4.94 1.3325 -4 1 3 4 71.09 2.18 1.3260 -3 6 3 4 71.93 12.24 1.3126 2 0 2 2 72.28 2.69 1.3071 -3 7 2 4 72.34 2.60 1.3062 2 1 2 4 72.59 1.79 1.3024 0 6 3 4 73.20 3.79 1.2931 -3 4 4 4 73.60 2.55 1.2869 1 7 2 4 74.30 2.03 1.2765 -3 7 1 4 74.39 2.07 1.2752 1 2 3 4 74.51 13.31 1.2735 -1 4 4 4 74.85 3.63 1.2685 -2 9 2 4 75.12 1.07 1.2646 2 7 1 4 75.50 1.80 1.2592 0 9 2 4 75.56 1.05 1.2584 2 3 2 4 76.09 1.75 1.2509 -4 1 1 4 77.14 5.88 1.2365 3 6 0 4 77.22 1.05 1.2354 3 1 1 4 77.51 1.40 1.2315 2 9 0 4 78.31 1.21 1.2210 -2 6 4 4 78.33 1.37 1.2206 2 4 2 4 79.15 5.37 1.2100 1 4 3 4 79.21 14.59 1.2092 -1 10 2 4 79.25 1.62 1.2088 -4 -3 1 4 80.27 2.04 1.1960 -4 -3 4 4 80.37 3.27 1.1947 3 3 1 4 80.70 4.81 1.1907 -2 10 1 4 81.18 4.36 1.1849 1 10 1 4 82.18 1.12 1.1730 -1 11 1 4 82.23 4.24 1.1724 -3 8 3 4 82.34 1.34 1.1711 0 11 1 4 82.82 3.32 1.1655 0 3 4 4 82.98 2.11 1.1637 0 10 2 4 83.11 1.61 1.1622 3 4 1 4 83.66 5.57 1.1560 0 8 3 4 85.49 1.67 1.1358 -4 -5 1 4 86.18 4.35 1.1285 -3 7 4 4 86.60 2.95 1.1241 3 5 1 4 86.94 1.18 1.1205 1 6 3 4 87.17 1.21 1.1182 4 0 0 2 87.45 1.66 1.1154 -1 7 4 4 88.71 2.45 1.1027 4 2 0 4 89.02 1.06 1.0997 0 5 4 4 89.21 5.45 1.0979 -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.