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 Alpe Sponda, Central Alps, Switzerland _database_code_amcsd 0001017 CELL PARAMETERS: 17.0600 9.7590 9.3220 90.000 90.000 90.000 SPACE GROUP: Cccm X-RAY WAVELENGTH: 1.541838 Cell Volume: 1552.006 Density (g/cm3): 2.637 MAX. ABS. INTENSITY / VOLUME**2: 8.997762297 RIR: 1.111 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.37 57.72 8.5300 2 0 0 2 10.44 100.00 8.4710 1 1 0 4 18.05 8.75 4.9134 3 1 0 4 18.18 3.10 4.8795 0 2 0 2 19.04 8.32 4.6610 0 0 2 2 20.83 1.26 4.2650 4 0 0 2 21.73 10.22 4.0902 2 0 2 4 21.76 60.26 4.0836 1 1 2 8 26.36 57.32 3.3815 3 1 2 8 26.44 36.18 3.3704 0 2 2 4 27.78 1.22 3.2112 4 2 0 4 28.36 17.78 3.1465 4 0 2 4 28.47 50.65 3.1346 2 2 2 8 29.34 37.52 3.0442 5 1 1 8 29.42 30.88 3.0361 4 2 1 8 29.55 37.12 3.0228 1 3 1 8 31.46 2.67 2.8433 6 0 0 2 31.69 2.14 2.8237 3 3 0 4 33.83 13.88 2.6497 5 1 2 8 33.90 12.37 2.6444 4 2 2 8 34.02 7.00 2.6355 1 3 2 8 36.58 6.86 2.4567 6 2 0 4 36.84 4.76 2.4397 0 4 0 2 38.63 15.95 2.3305 0 0 4 2 39.31 1.31 2.2919 7 1 1 8 39.48 1.04 2.2827 5 3 1 8 40.33 1.41 2.2363 5 1 3 8 40.39 1.18 2.2330 4 2 3 8 40.49 1.04 2.2277 1 3 3 8 41.55 7.57 2.1733 6 2 2 8 41.79 2.39 2.1615 0 4 2 4 42.89 3.29 2.1087 7 1 2 8 42.95 1.12 2.1056 3 1 4 8 43.04 4.79 2.1015 5 3 2 8 43.18 6.32 2.0953 2 4 2 8 44.37 1.62 2.0418 2 2 4 8 46.47 1.33 1.9540 8 2 0 4 46.56 2.87 1.9505 7 3 0 4 46.85 2.05 1.9392 8 0 2 4 46.85 1.41 1.9392 1 5 0 4 47.14 1.76 1.9281 4 4 2 8 47.54 1.59 1.9125 8 2 1 8 48.34 1.60 1.8829 1 3 4 8 48.37 3.76 1.8817 7 1 3 8 48.51 6.03 1.8766 5 3 3 8 48.63 5.79 1.8721 2 4 3 8 48.95 3.64 1.8608 9 1 0 4 49.21 3.76 1.8516 6 4 0 4 49.37 3.88 1.8461 3 5 0 4 50.24 2.86 1.8161 6 4 1 8 50.39 2.09 1.8109 3 5 1 8 50.65 4.67 1.8024 6 0 4 4 50.80 8.69 1.7974 3 3 4 8 52.99 1.46 1.7282 9 1 2 8 53.23 1.76 1.7208 6 4 2 8 53.38 1.31 1.7164 3 5 2 8 53.73 4.64 1.7060 10 0 0 2 54.13 5.82 1.6942 5 5 0 4 54.25 20.99 1.6908 6 2 4 8 54.45 11.97 1.6852 0 4 4 4 55.35 1.73 1.6598 7 1 4 8 55.56 1.65 1.6542 8 2 3 8 57.20 2.25 1.6104 10 2 0 4 57.39 1.15 1.6056 8 4 0 4 57.70 1.44 1.5977 2 6 0 4 57.75 3.34 1.5964 9 1 3 8 57.98 5.80 1.5906 6 4 3 8 58.12 3.44 1.5871 3 5 3 8 59.50 2.58 1.5537 0 0 6 2 59.86 2.41 1.5452 9 3 2 8 60.27 2.03 1.5357 0 6 2 4 60.86 1.64 1.5221 10 2 2 8 61.98 2.53 1.4974 8 2 4 8 62.05 3.58 1.4957 7 3 4 8 62.29 2.47 1.4906 1 5 4 8 62.72 3.62 1.4814 3 1 6 8 62.76 1.79 1.4804 0 2 6 4 63.81 2.11 1.4586 2 2 6 8 63.98 2.05 1.4551 11 1 2 8 64.33 4.92 1.4481 7 5 2 8 64.49 2.02 1.4449 4 6 2 8 66.19 2.30 1.4118 6 6 0 4 66.86 2.16 1.3994 5 1 6 8 66.90 2.31 1.3986 4 2 6 8 66.97 1.57 1.3973 1 3 6 8 68.78 1.53 1.3649 12 2 0 4 69.07 6.06 1.3598 12 0 2 4 69.07 1.30 1.3598 9 5 0 4 69.41 1.69 1.3540 3 7 0 4 69.58 9.61 1.3512 6 6 2 8 69.62 1.83 1.3505 12 2 1 8 69.91 2.29 1.3456 9 5 1 8 70.24 2.24 1.3400 3 7 1 8 71.17 4.24 1.3249 10 2 4 8 71.33 2.47 1.3222 8 4 4 8 71.61 2.40 1.3178 2 6 4 8 71.65 1.02 1.3170 9 1 5 8 71.86 1.43 1.3138 6 4 5 8 71.90 3.31 1.3131 6 2 6 8 72.07 1.25 1.3105 0 4 6 4 72.84 1.28 1.2984 7 1 6 8 72.95 1.26 1.2968 5 3 6 8 73.05 1.20 1.2953 2 4 6 8 74.31 2.86 1.2764 11 3 3 8 74.86 2.31 1.2685 1 7 3 8 75.75 1.08 1.2557 8 0 6 4 75.96 1.14 1.2527 4 4 6 8 76.46 1.01 1.2457 9 5 3 8 77.57 2.40 1.2307 5 1 7 8 77.61 1.89 1.2301 4 2 7 8 77.68 2.26 1.2292 1 3 7 8 80.03 3.03 1.1989 10 4 4 8 80.47 1.41 1.1935 1 7 4 8 80.94 3.52 1.1878 12 4 2 8 81.57 1.67 1.1801 0 8 2 4 81.77 2.61 1.1778 12 2 4 8 82.05 1.57 1.1745 9 5 4 8 82.37 2.34 1.1708 3 7 4 8 82.84 4.40 1.1652 0 0 8 2 86.30 1.18 1.1272 9 3 6 8 86.66 1.24 1.1235 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.