Combeite Fischer R X, Tillmanns E Acta Crystallographica C43 (1987) 1852-1854 Revised data for combeite, Na2Ca2Si3O9 Locality: synthetic low-temperature form _database_code_amcsd 0010050 CELL PARAMETERS: 10.4640 10.4640 13.1760 90.000 90.000 120.000 SPACE GROUP: P3_121 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1249.423 Density (g/cm3): 2.830 MAX. ABS. INTENSITY / VOLUME**2: 9.575472143 RIR: 1.102 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.76 1.53 9.0621 1 0 0 6 11.85 4.68 7.4666 0 1 1 6 11.85 4.45 7.4666 1 0 1 6 16.64 3.30 5.3287 0 1 2 6 16.95 3.31 5.2320 1 1 0 3 18.24 6.19 4.8627 1 1 1 6 20.22 18.05 4.3920 0 0 3 2 20.73 2.30 4.2848 0 2 1 6 22.50 3.16 3.9523 0 1 3 6 23.83 34.53 3.7333 2 0 2 6 26.01 6.51 3.4251 2 1 0 6 26.50 30.29 3.3639 1 1 3 6 26.90 56.26 3.3150 2 1 1 6 28.30 1.28 3.1536 0 2 3 6 28.84 1.15 3.0958 1 0 4 6 29.39 2.04 3.0390 1 2 2 6 29.57 7.71 3.0207 3 0 0 6 30.36 1.18 2.9443 3 0 1 6 32.11 1.67 2.7875 1 1 4 6 33.17 1.33 2.7009 1 2 3 6 33.17 3.86 2.7009 2 1 3 6 33.64 100.00 2.6643 0 2 4 6 34.28 98.37 2.6160 2 2 0 3 34.97 4.03 2.5659 2 2 1 6 35.48 5.76 2.5304 0 1 5 6 35.72 1.86 2.5134 3 1 0 6 36.09 1.04 2.4889 0 3 3 6 36.39 2.14 2.4689 3 1 1 6 38.33 1.66 2.3483 1 3 2 6 38.33 9.86 2.3483 3 1 2 6 39.56 5.60 2.2780 2 0 5 6 40.40 3.57 2.2328 4 0 1 6 41.10 4.11 2.1960 0 0 6 2 41.39 1.11 2.1814 1 3 3 6 42.18 9.69 2.1424 0 4 2 6 43.32 3.61 2.0886 1 2 5 6 43.53 1.16 2.0790 3 2 0 6 44.10 2.60 2.0536 2 3 1 6 44.10 1.10 2.0536 3 2 1 6 44.76 3.11 2.0249 1 1 6 6 45.03 1.04 2.0134 0 4 3 6 45.39 3.42 1.9981 3 1 4 6 45.39 1.84 1.9981 1 3 4 6 46.43 3.85 1.9556 1 4 1 6 48.04 1.15 1.8940 1 4 2 6 48.79 57.09 1.8666 4 0 4 6 49.46 4.13 1.8429 1 0 7 6 50.62 8.83 1.8032 1 4 3 6 50.85 6.52 1.7955 0 5 1 6 51.60 1.12 1.7712 1 1 7 6 52.47 4.09 1.7440 3 3 0 3 52.65 5.44 1.7383 0 2 7 6 52.96 1.19 1.7289 3 3 1 6 54.09 1.29 1.6954 1 4 4 6 54.09 2.53 1.6954 4 1 4 6 54.79 1.11 1.6754 0 5 3 6 55.72 8.10 1.6496 2 1 7 6 56.37 1.85 1.6322 3 2 5 6 56.54 1.84 1.6276 5 1 0 6 56.80 3.11 1.6209 3 3 3 6 57.01 1.23 1.6153 5 1 1 6 57.78 1.48 1.5956 2 4 3 6 58.40 3.25 1.5801 1 5 2 6 59.74 11.53 1.5479 2 0 8 6 60.02 1.10 1.5413 3 3 4 6 60.68 1.90 1.5262 5 1 3 6 60.98 18.97 1.5195 2 4 4 6 61.38 8.29 1.5103 6 0 0 6 61.83 1.37 1.5005 6 0 1 6 62.77 4.10 1.4804 4 3 1 6 63.28 1.23 1.4695 1 4 6 6 63.28 1.00 1.4695 4 1 6 6 63.55 1.63 1.4640 0 0 9 2 64.62 1.00 1.4424 5 2 1 6 67.08 1.01 1.3953 2 3 7 6 67.08 7.36 1.3953 3 2 7 6 68.04 6.45 1.3778 5 2 3 6 68.06 1.17 1.3776 1 3 8 6 70.72 7.64 1.3322 0 4 8 6 71.63 1.59 1.3174 3 0 9 6 72.23 7.19 1.3080 4 4 0 3 72.94 2.06 1.2969 3 4 5 6 73.10 2.58 1.2946 5 3 0 6 73.33 1.40 1.2910 2 3 8 6 73.51 1.19 1.2884 7 0 1 6 74.23 2.41 1.2775 2 2 9 6 74.45 1.25 1.2743 6 1 4 6 75.90 1.02 1.2536 4 4 3 6 79.10 1.83 1.2107 5 2 6 6 80.99 5.72 1.1871 4 2 8 6 82.08 6.24 1.1741 6 2 4 6 83.47 1.10 1.1580 2 0 11 6 85.97 3.59 1.1307 1 2 11 6 86.25 1.24 1.1278 1 7 4 6 87.59 1.61 1.1140 1 6 7 6 87.69 1.72 1.1129 3 2 10 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.