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 #AU88 Locality: synthetic _database_code_amcsd 0018943 CELL PARAMETERS: 5.4194 13.2737 5.8575 90.000 124.420 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 347.588 Density (g/cm3): 3.439 MAX. ABS. INTENSITY / VOLUME**2: 7.624325543 RIR: 0.722 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.86 5.13 4.9671 -1 0 1 2 18.36 20.12 4.8319 0 0 1 2 19.08 53.12 4.6521 -1 1 1 4 19.55 57.58 4.5405 0 1 1 4 19.86 10.48 4.4706 1 0 0 2 20.97 63.44 4.2367 1 1 0 4 22.36 22.36 3.9767 -1 2 1 4 22.76 4.36 3.9063 0 2 1 4 24.00 12.42 3.7078 1 2 0 4 26.87 12.59 3.3184 0 4 0 2 26.99 41.31 3.3039 -1 3 1 4 27.33 29.65 3.2632 0 3 1 4 28.38 7.28 3.1448 1 3 0 4 30.54 38.54 2.9274 -1 0 2 2 31.29 1.04 2.8587 -1 1 2 4 32.45 72.52 2.7593 -1 4 1 4 32.74 39.31 2.7355 0 4 1 4 33.32 52.86 2.6890 -2 0 1 2 33.46 80.55 2.6784 -1 2 2 4 33.63 100.00 2.6646 1 4 0 4 34.02 6.80 2.6354 -2 1 1 4 34.17 57.95 2.6243 1 0 1 2 34.85 1.57 2.5745 1 1 1 4 36.04 43.98 2.4922 -2 2 1 4 36.17 10.77 2.4836 -2 0 2 2 36.83 41.20 2.4404 1 2 1 4 37.85 1.10 2.3769 0 1 2 4 38.45 9.50 2.3413 -1 5 1 4 38.70 12.24 2.3267 0 5 1 4 38.71 4.20 2.3260 -2 2 2 4 39.48 3.14 2.2826 1 5 0 4 39.70 27.94 2.2702 0 2 2 4 40.35 2.65 2.2353 2 0 0 2 40.79 23.50 2.2123 0 6 0 2 40.94 3.78 2.2042 2 1 0 4 41.12 5.67 2.1953 -1 4 2 4 41.71 55.68 2.1657 -2 3 2 4 42.64 41.73 2.1205 0 3 2 4 42.68 3.38 2.1184 2 2 0 4 43.31 9.84 2.0892 -2 4 1 4 43.99 10.68 2.0584 1 4 1 4 44.85 4.66 2.0209 -1 6 1 4 45.46 34.84 1.9951 2 3 0 4 46.49 4.72 1.9532 0 4 2 4 47.90 6.79 1.8991 -2 1 3 4 48.01 1.11 1.8949 -1 0 3 2 48.53 10.64 1.8759 -1 1 3 4 49.45 3.46 1.8433 -2 2 3 4 50.63 1.33 1.8029 -3 0 2 2 51.13 5.05 1.7865 -3 1 2 4 51.59 4.81 1.7715 -1 7 1 4 51.79 5.33 1.7652 0 7 1 4 51.80 26.81 1.7650 -1 6 2 4 51.94 3.33 1.7604 -2 3 3 4 52.41 15.19 1.7457 1 7 0 4 52.54 3.57 1.7419 -1 3 3 4 52.60 1.45 1.7399 -3 2 2 4 52.72 4.17 1.7363 1 1 2 4 53.58 4.66 1.7104 -3 1 1 4 53.60 6.07 1.7099 2 5 0 4 53.65 5.40 1.7084 -2 6 1 4 54.16 3.51 1.6934 1 2 2 4 54.23 8.42 1.6915 1 6 1 4 54.55 1.89 1.6824 2 1 1 4 55.00 12.03 1.6697 -3 3 2 4 55.30 9.55 1.6611 -2 4 3 4 55.37 19.25 1.6592 0 8 0 2 55.50 10.25 1.6557 -3 0 3 2 55.64 6.78 1.6519 -2 6 2 4 55.87 1.98 1.6455 -1 4 3 4 55.96 2.02 1.6432 2 2 1 4 56.39 17.34 1.6316 0 6 2 4 56.51 6.75 1.6284 1 3 2 4 57.19 10.10 1.6106 0 0 3 2 57.36 4.82 1.6065 -3 2 3 4 58.24 26.41 1.5842 -3 4 2 4 58.72 20.09 1.5724 2 6 0 4 59.01 6.43 1.5652 0 2 3 4 59.44 3.54 1.5551 -2 5 3 4 59.70 19.74 1.5489 1 4 2 4 59.98 2.45 1.5423 -1 5 3 4 60.49 1.98 1.5304 -3 4 1 4 61.39 6.36 1.5102 2 4 1 4 62.25 4.22 1.4915 -3 5 2 4 62.31 2.56 1.4902 3 0 0 2 63.56 22.18 1.4637 -2 0 4 2 63.65 2.06 1.4619 1 5 2 4 64.04 9.19 1.4540 3 2 0 4 64.26 2.50 1.4495 -2 6 3 4 64.43 1.60 1.4460 2 7 0 4 66.09 1.01 1.4138 -1 9 1 4 66.18 11.74 1.4120 -2 8 1 4 66.69 10.81 1.4024 1 8 1 4 66.79 1.70 1.4006 1 9 0 4 67.05 5.44 1.3958 -3 1 4 4 67.94 5.67 1.3796 -2 8 2 4 67.99 1.16 1.3788 -1 0 4 2 68.30 2.28 1.3732 -3 2 4 4 68.40 1.15 1.3715 -1 1 4 4 68.62 1.17 1.3677 0 8 2 4 69.72 2.85 1.3487 -2 7 3 4 69.88 1.56 1.3460 2 6 1 4 69.97 10.90 1.3445 -4 0 2 2 70.22 3.68 1.3404 -1 7 3 4 70.37 2.50 1.3379 -3 3 4 4 70.39 2.45 1.3376 -4 1 2 4 70.71 2.62 1.3323 2 8 0 4 70.73 4.51 1.3319 -4 1 3 4 71.12 2.16 1.3256 -3 6 3 4 71.96 11.91 1.3122 2 0 2 2 72.32 2.76 1.3066 -3 7 2 4 72.37 2.46 1.3058 2 1 2 4 72.61 1.75 1.3021 0 6 3 4 73.22 3.88 1.2927 -3 4 4 4 73.63 2.41 1.2866 1 7 2 4 74.34 1.83 1.2759 -3 7 1 4 74.41 2.10 1.2749 1 2 3 4 74.52 12.83 1.2733 -1 4 4 4 74.88 3.42 1.2681 -2 9 2 4 75.15 1.02 1.2642 2 7 1 4 75.53 1.75 1.2588 0 9 2 4 75.59 1.19 1.2580 2 3 2 4 76.14 1.77 1.2503 -4 1 1 4 77.18 5.76 1.2359 3 6 0 4 77.55 1.36 1.2310 2 9 0 4 78.33 1.18 1.2207 -2 6 4 4 78.36 1.35 1.2202 2 4 2 4 79.18 5.39 1.2097 1 4 3 4 79.24 14.55 1.2089 -1 10 2 4 79.30 1.57 1.2081 -4 -3 1 4 80.30 2.08 1.1956 -4 -3 4 4 80.42 3.12 1.1942 3 3 1 4 80.74 4.77 1.1902 -2 10 1 4 81.21 4.26 1.1845 1 10 1 4 82.21 1.10 1.1726 -1 11 1 4 82.26 4.24 1.1720 -3 8 3 4 82.37 1.30 1.1707 0 11 1 4 82.84 3.14 1.1653 0 3 4 4 83.01 2.14 1.1634 0 10 2 4 83.15 1.73 1.1617 3 4 1 4 83.68 5.50 1.1557 0 8 3 4 85.54 1.66 1.1352 -4 -5 1 4 86.21 4.19 1.1282 -3 7 4 4 86.64 2.86 1.1236 3 5 1 4 86.97 1.19 1.1202 1 6 3 4 87.22 1.23 1.1176 4 0 0 2 87.47 1.70 1.1152 -1 7 4 4 88.77 2.55 1.1021 4 2 0 4 89.04 1.03 1.0995 0 5 4 4 89.23 5.47 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.