Combeite Ohsato H, Takeuchi Y, Maki I Acta Crystallographica C42 (1986) 934-937 Structure of Na4Ca4[Si6O18] Locality: synthetic low-temperature form _database_code_amcsd 0010031 CELL PARAMETERS: 10.4640 10.4640 13.1680 90.000 90.000 120.000 SPACE GROUP: P3_121 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1248.665 Density (g/cm3): 2.827 MAX. ABS. INTENSITY / VOLUME**2: 8.985705615 RIR: 1.035 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.76 5.95 9.0621 1 0 0 6 11.85 7.16 7.4651 0 1 1 6 11.85 6.22 7.4651 1 0 1 6 16.64 3.74 5.3266 0 1 2 6 16.95 2.79 5.2320 1 1 0 3 18.25 8.91 4.8623 1 1 1 6 20.23 22.12 4.3893 0 0 3 2 22.51 5.12 3.9503 0 1 3 6 23.84 36.68 3.7326 2 0 2 6 26.01 10.46 3.4251 2 1 0 6 26.51 39.91 3.3627 1 1 3 6 26.90 59.00 3.3148 2 1 1 6 28.31 2.14 3.1526 0 2 3 6 28.85 2.35 3.0942 0 1 4 6 28.85 1.41 3.0942 1 0 4 6 29.39 2.30 3.0386 1 2 2 6 29.57 8.32 3.0207 3 0 0 6 30.36 2.50 2.9442 3 0 1 6 32.12 3.44 2.7863 1 1 4 6 33.18 2.57 2.7003 1 2 3 6 33.18 6.08 2.7003 2 1 3 6 33.65 99.98 2.6633 0 2 4 6 34.28 97.23 2.6160 2 2 0 3 34.97 6.38 2.5659 2 2 1 6 35.50 7.61 2.5290 0 1 5 6 35.72 4.49 2.5134 3 1 0 6 36.10 1.57 2.4884 0 3 3 6 36.10 1.63 2.4884 3 0 3 6 36.39 3.50 2.4688 3 1 1 6 38.33 2.01 2.3481 1 3 2 6 38.33 8.62 2.3481 3 1 2 6 39.58 3.65 2.2769 2 0 5 6 40.13 1.16 2.2472 2 2 3 6 40.40 1.18 2.2327 0 4 1 6 40.40 4.92 2.2327 4 0 1 6 40.53 1.22 2.2257 0 3 4 6 41.13 5.05 2.1947 0 0 6 2 41.40 1.15 2.1811 1 3 3 6 41.40 1.08 2.1811 3 1 3 6 42.18 9.13 2.1422 0 4 2 6 42.18 1.00 2.1422 4 0 2 6 43.34 3.36 2.0878 1 2 5 6 43.53 1.60 2.0790 3 2 0 6 44.10 3.83 2.0535 2 3 1 6 44.78 2.50 2.0238 1 1 6 6 45.03 1.81 2.0132 0 4 3 6 45.40 1.65 1.9977 1 3 4 6 45.40 6.04 1.9977 3 1 4 6 46.43 5.80 1.9556 1 4 1 6 48.04 2.21 1.8939 1 4 2 6 48.80 54.61 1.8663 4 0 4 6 49.49 5.84 1.8419 1 0 7 6 50.17 1.04 1.8182 1 3 5 6 50.63 9.96 1.8030 1 4 3 6 50.85 7.06 1.7955 0 5 1 6 51.63 1.72 1.7702 1 1 7 6 52.03 1.30 1.7578 3 2 4 6 52.47 4.15 1.7440 3 3 0 3 52.68 5.84 1.7374 0 2 7 6 52.96 1.43 1.7289 3 3 1 6 53.99 1.02 1.6983 4 2 1 6 54.10 2.22 1.6952 1 4 4 6 54.10 4.30 1.6952 4 1 4 6 54.80 2.23 1.6752 0 5 3 6 54.80 1.08 1.6752 5 0 3 6 55.75 9.51 1.6488 2 1 7 6 56.38 2.59 1.6318 3 2 5 6 56.54 3.05 1.6276 5 1 0 6 56.80 2.65 1.6208 3 3 3 6 57.73 1.28 1.5968 3 0 7 6 57.79 2.29 1.5954 2 4 3 6 58.41 2.73 1.5800 1 5 2 6 58.81 1.52 1.5701 1 1 8 6 59.78 10.60 1.5471 2 0 8 6 60.03 2.27 1.5411 3 3 4 6 60.69 2.67 1.5261 5 1 3 6 60.98 17.72 1.5193 2 4 4 6 61.38 7.50 1.5103 6 0 0 6 61.83 2.09 1.5005 6 0 1 6 62.77 3.78 1.4804 4 3 1 6 63.30 1.20 1.4691 1 4 6 6 63.30 1.45 1.4691 4 1 6 6 63.59 1.37 1.4631 0 0 9 2 64.62 1.65 1.4424 5 2 1 6 66.25 1.47 1.4108 4 3 3 6 67.10 2.02 1.3949 2 3 7 6 67.10 8.72 1.3949 3 2 7 6 68.05 7.19 1.3778 5 2 3 6 68.09 1.64 1.3770 1 3 8 6 70.75 7.00 1.3316 0 4 8 6 71.67 1.66 1.3168 3 0 9 6 72.23 6.02 1.3080 4 4 0 3 72.96 2.05 1.2967 3 4 5 6 73.10 4.01 1.2946 5 3 0 6 73.37 1.71 1.2905 2 3 8 6 73.51 1.35 1.2884 7 0 1 6 74.27 2.18 1.2770 2 2 9 6 74.46 1.63 1.2742 6 1 4 6 75.09 1.34 1.2651 1 4 8 6 75.90 1.04 1.2535 4 4 3 6 78.10 1.03 1.2237 1 6 5 6 79.12 2.02 1.2104 5 2 6 6 81.02 4.94 1.1867 4 2 8 6 82.09 4.85 1.1740 6 2 4 6 83.53 1.09 1.1574 2 0 11 6 86.03 4.15 1.1301 1 2 11 6 86.26 1.73 1.1277 1 7 4 6 86.26 1.58 1.1277 7 1 4 6 87.61 1.39 1.1137 1 6 7 6 87.74 1.85 1.1124 3 2 10 6 88.53 1.05 1.1046 4 3 8 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.