Cordierite Armbruster T American Mineralogist 71 (1986) 746-757 Role of Na in the structure of low-cordierite: A single-crystal X-ray study Sample: from Haddam, Connecticut, USA _database_code_amcsd 0001020 CELL PARAMETERS: 17.0540 9.7590 9.3240 90.000 90.000 90.000 SPACE GROUP: Cccm X-RAY WAVELENGTH: 1.541838 Cell Volume: 1551.793 Density (g/cm3): 2.640 MAX. ABS. INTENSITY / VOLUME**2: 8.025341764 RIR: 0.990 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.37 58.32 8.5270 2 0 0 2 10.44 100.00 8.4702 1 1 0 4 18.06 9.76 4.9121 3 1 0 4 18.18 3.40 4.8795 0 2 0 2 19.04 9.50 4.6620 0 0 2 2 20.83 1.86 4.2635 4 0 0 2 21.73 10.64 4.0905 2 0 2 4 21.76 64.26 4.0842 1 1 2 8 26.36 63.41 3.3815 3 1 2 8 26.44 39.97 3.3708 0 2 2 4 27.79 1.76 3.2106 4 2 0 4 28.37 20.95 3.1462 4 0 2 4 28.47 59.04 3.1348 2 2 2 8 29.35 42.58 3.0435 5 1 1 8 29.42 34.90 3.0357 4 2 1 8 29.55 41.96 3.0228 1 3 1 8 31.47 2.99 2.8423 6 0 0 2 31.69 2.39 2.8234 3 3 0 4 33.83 14.91 2.6494 5 1 2 8 33.90 13.05 2.6442 4 2 2 8 34.01 7.16 2.6357 1 3 2 8 36.59 7.77 2.4560 6 2 0 4 36.84 5.31 2.4397 0 4 0 2 38.63 18.01 2.3310 0 0 4 2 39.32 1.49 2.2913 7 1 1 8 39.48 1.16 2.2824 5 3 1 8 40.33 1.56 2.2362 5 1 3 8 40.39 1.32 2.2331 4 2 3 8 40.49 1.15 2.2279 1 3 3 8 41.56 8.27 2.1729 6 2 2 8 41.79 2.66 2.1616 0 4 2 4 42.90 3.46 2.1082 7 1 2 8 42.95 1.25 2.1059 3 1 4 8 43.05 5.25 2.1013 5 3 2 8 43.17 6.82 2.0954 2 4 2 8 44.36 1.61 2.0421 2 2 4 8 46.49 1.41 1.9535 8 2 0 4 46.57 2.97 1.9500 7 3 0 4 46.85 1.42 1.9391 1 5 0 4 46.86 2.38 1.9387 8 0 2 4 47.14 2.10 1.9280 4 4 2 8 47.56 1.90 1.9120 8 2 1 8 48.33 1.67 1.8832 1 3 4 8 48.38 4.19 1.8814 7 1 3 8 48.51 6.79 1.8765 5 3 3 8 48.63 6.63 1.8723 2 4 3 8 48.97 4.16 1.8601 9 1 0 4 49.22 4.27 1.8513 6 4 0 4 49.37 4.46 1.8460 3 5 0 4 50.00 1.16 1.8242 9 1 1 8 50.24 3.31 1.8158 6 4 1 8 50.39 2.40 1.8109 3 5 1 8 50.65 5.20 1.8024 6 0 4 4 50.79 9.71 1.7975 3 3 4 8 53.00 1.55 1.7277 9 1 2 8 53.24 1.87 1.7206 6 4 2 8 53.38 1.37 1.7164 3 5 2 8 53.75 5.07 1.7054 10 0 0 2 54.14 6.43 1.6940 5 5 0 4 54.25 23.74 1.6907 6 2 4 8 54.44 13.43 1.6854 0 4 4 4 55.35 1.80 1.6597 7 1 4 8 55.57 1.90 1.6539 8 2 3 8 55.89 1.06 1.6452 1 5 3 8 57.22 2.67 1.6099 10 2 0 4 57.40 1.36 1.6053 8 4 0 4 57.70 1.74 1.5977 2 6 0 4 57.76 3.84 1.5961 9 1 3 8 57.99 6.59 1.5905 6 4 3 8 58.12 3.95 1.5872 3 5 3 8 58.92 1.23 1.5674 4 4 4 8 59.48 2.98 1.5540 0 0 6 2 59.87 2.64 1.5448 9 3 2 8 60.26 2.21 1.5357 0 6 2 4 60.88 1.76 1.5217 10 2 2 8 61.86 1.00 1.4999 4 6 1 8 61.98 2.77 1.4972 8 2 4 8 62.05 3.89 1.4957 7 3 4 8 62.28 2.63 1.4907 1 5 4 8 62.71 3.99 1.4816 3 1 6 8 62.75 1.98 1.4807 0 2 6 4 63.80 2.43 1.4589 2 2 6 8 64.00 2.34 1.4547 11 1 2 8 64.34 5.47 1.4479 7 5 2 8 64.49 2.26 1.4448 4 6 2 8 66.20 2.57 1.4117 6 6 0 4 66.85 2.44 1.3995 5 1 6 8 66.89 2.60 1.3988 4 2 6 8 66.96 1.75 1.3975 1 3 6 8 68.47 1.01 1.3704 5 5 4 8 68.80 1.71 1.3645 12 2 0 4 69.09 1.45 1.3596 9 5 0 4 69.10 6.81 1.3594 12 0 2 4 69.41 1.87 1.3540 3 7 0 4 69.58 10.85 1.3511 6 6 2 8 69.64 2.10 1.3501 12 2 1 8 69.92 2.60 1.3453 9 5 1 8 70.25 2.56 1.3400 3 7 1 8 71.18 4.93 1.3247 10 2 4 8 71.34 2.89 1.3221 8 4 4 8 71.60 2.85 1.3179 2 6 4 8 71.66 1.18 1.3170 9 1 5 8 71.86 1.65 1.3138 6 4 5 8 71.90 3.70 1.3132 6 2 6 8 71.98 1.06 1.3119 3 5 5 8 72.05 1.40 1.3107 0 4 6 4 72.84 1.42 1.2985 7 1 6 8 72.94 1.44 1.2969 5 3 6 8 73.04 1.35 1.2955 2 4 6 8 74.33 3.26 1.2761 11 3 3 8 74.42 1.08 1.2748 10 4 3 8 74.85 2.63 1.2685 1 7 3 8 75.75 1.23 1.2558 8 0 6 4 75.95 1.32 1.2528 4 4 6 8 76.47 1.16 1.2456 9 5 3 8 77.56 2.75 1.2308 5 1 7 8 77.60 2.17 1.2303 4 2 7 8 77.66 2.59 1.2295 1 3 7 8 80.05 3.37 1.1988 10 4 4 8 80.47 1.61 1.1935 1 7 4 8 80.96 3.94 1.1875 12 4 2 8 81.57 1.89 1.1801 0 8 2 4 81.79 2.97 1.1776 12 2 4 8 82.06 1.79 1.1744 9 5 4 8 82.36 2.64 1.1708 3 7 4 8 82.82 5.04 1.1655 0 0 8 2 86.31 1.32 1.1272 9 3 6 8 86.65 1.38 1.1236 0 6 6 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.