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 Kemio Island, Finland _database_code_amcsd 0001018 CELL PARAMETERS: 17.0650 9.7970 9.2930 90.000 90.000 90.000 SPACE GROUP: Cccm X-RAY WAVELENGTH: 1.541838 Cell Volume: 1553.658 Density (g/cm3): 2.709 MAX. ABS. INTENSITY / VOLUME**2: 7.912716626 RIR: 0.951 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.37 54.48 8.5325 2 0 0 2 10.41 100.00 8.4964 1 1 0 4 18.03 3.59 4.9193 3 1 0 4 19.10 7.18 4.6465 0 0 2 2 20.82 1.36 4.2663 4 0 0 2 21.78 14.32 4.0807 2 0 2 4 21.80 80.35 4.0767 1 1 2 8 26.39 76.07 3.3779 3 1 2 8 26.44 48.91 3.3711 0 2 2 4 27.73 1.71 3.2172 4 2 0 4 28.40 16.76 3.1425 4 0 2 4 28.47 46.83 3.1353 2 2 2 8 29.33 43.84 3.0451 5 1 1 8 29.38 35.44 3.0401 4 2 1 8 29.46 43.52 3.0320 1 3 1 8 31.45 5.68 2.8442 6 0 0 2 31.59 5.35 2.8321 3 3 0 4 33.85 18.33 2.6483 5 1 2 8 33.89 13.61 2.6450 4 2 2 8 33.96 9.20 2.6396 1 3 2 8 36.53 10.88 2.4596 6 2 0 4 36.69 6.75 2.4492 0 4 0 2 38.76 20.55 2.3233 0 0 4 2 39.30 1.53 2.2926 7 1 1 8 40.39 1.48 2.2334 5 1 3 8 40.42 1.45 2.2314 4 2 3 8 40.48 1.13 2.2282 1 3 3 8 41.54 9.73 2.1738 6 2 2 8 41.69 3.51 2.1667 0 4 2 4 42.90 4.65 2.1082 7 1 2 8 42.99 7.27 2.1038 5 3 2 8 43.07 7.67 2.1000 2 4 2 8 44.40 1.03 2.0403 4 0 4 4 44.45 2.27 2.0383 2 2 4 8 46.43 1.29 1.9557 8 2 0 4 46.49 2.72 1.9536 7 3 0 4 46.66 1.48 1.9466 1 5 0 4 46.86 1.52 1.9386 8 0 2 4 47.04 1.05 1.9318 4 4 2 8 47.51 2.39 1.9138 8 2 1 8 48.38 1.85 1.8815 1 3 4 8 48.41 4.13 1.8801 7 1 3 8 48.50 6.96 1.8770 5 3 3 8 48.57 6.73 1.8743 2 4 3 8 48.93 5.85 1.8616 9 1 0 4 49.09 6.65 1.8559 6 4 0 4 49.18 6.42 1.8526 3 5 0 4 49.97 1.23 1.8253 9 1 1 8 50.12 3.26 1.8200 6 4 1 8 50.22 2.31 1.8168 3 5 1 8 50.74 7.18 1.7993 6 0 4 4 50.83 12.43 1.7962 3 3 4 8 52.99 2.51 1.7280 9 1 2 8 53.14 3.03 1.7235 6 4 2 8 53.23 2.09 1.7208 3 5 2 8 53.71 4.76 1.7065 10 0 0 2 53.96 6.97 1.6993 5 5 0 4 54.32 26.45 1.6889 6 2 4 8 54.43 14.59 1.6856 0 4 4 4 55.43 1.61 1.6576 7 1 4 8 55.57 1.76 1.6537 8 2 3 8 57.16 2.39 1.6115 10 2 0 4 57.46 1.48 1.6037 2 6 0 4 57.78 4.06 1.5956 9 1 3 8 57.92 6.51 1.5921 6 4 3 8 58.01 4.08 1.5899 3 5 3 8 58.91 1.13 1.5677 4 4 4 8 59.70 2.72 1.5488 0 0 6 2 59.81 3.45 1.5463 9 3 2 8 60.06 2.77 1.5405 0 6 2 4 60.84 2.17 1.5225 10 2 2 8 62.03 2.58 1.4962 8 2 4 8 62.07 3.65 1.4952 7 3 4 8 62.22 2.66 1.4921 1 5 4 8 62.91 4.84 1.4773 3 1 6 8 62.94 2.56 1.4768 0 2 6 4 63.98 3.08 1.4552 11 1 2 8 63.98 1.68 1.4551 2 2 6 8 64.19 5.64 1.4509 7 5 2 8 64.29 2.38 1.4489 4 6 2 8 65.55 1.20 1.4242 2 6 3 8 65.97 2.78 1.4161 6 6 0 4 67.04 2.79 1.3960 5 1 6 8 67.07 2.54 1.3955 4 2 6 8 67.11 1.99 1.3947 1 3 6 8 68.40 1.08 1.3716 5 5 4 8 68.73 2.28 1.3657 12 2 0 4 68.91 1.82 1.3626 9 5 0 4 69.07 6.87 1.3598 12 0 2 4 69.12 2.30 1.3590 3 7 0 4 69.38 11.80 1.3546 6 6 2 8 69.58 2.17 1.3512 12 2 1 8 69.76 2.51 1.3482 9 5 1 8 69.96 2.52 1.3447 3 7 1 8 71.21 4.48 1.3241 10 2 4 8 71.31 2.37 1.3225 8 4 4 8 71.48 2.56 1.3198 2 6 4 8 71.77 1.17 1.3153 9 1 5 8 71.89 1.57 1.3133 6 4 5 8 71.97 1.04 1.3121 3 5 5 8 72.06 4.06 1.3106 6 2 6 8 72.16 1.62 1.3091 0 4 6 4 73.01 1.58 1.2958 7 1 6 8 73.08 1.75 1.2948 5 3 6 8 73.14 1.45 1.2939 2 4 6 8 74.29 2.87 1.2767 11 3 3 8 74.35 1.03 1.2759 10 4 3 8 74.62 2.41 1.2719 1 7 3 8 76.35 1.06 1.2472 9 5 3 8 77.81 2.68 1.2275 5 1 7 8 77.83 2.12 1.2272 4 2 7 8 77.88 2.55 1.2267 1 3 7 8 79.95 1.13 1.1999 11 3 4 8 80.01 3.23 1.1992 10 4 4 8 80.28 1.70 1.1959 1 7 4 8 80.85 4.15 1.1889 12 4 2 8 81.24 2.07 1.1842 0 8 2 4 81.81 3.81 1.1773 12 2 4 8 81.98 2.38 1.1753 9 5 4 8 82.17 3.28 1.1731 3 7 4 8 83.16 5.07 1.1616 0 0 8 2 86.42 1.64 1.1260 9 3 6 8 86.64 1.60 1.1237 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.