Cordierite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R040084 Schwartz K B, Leong D B, McConville R L Physics and Chemistry of Minerals 20 (1994) 563-574 Structural chemistry of synthetic cordierite: evidence for solid solutions and disordered compositional domains in Bi-flux-grown Mg-cordierites Sample: Crystallized from glass at 1200 degrees C for 350 hours Note: tetrahedral site occupancies are assumed, not refined CELL PARAMETERS: 17.0718 9.7227 9.3440 90.000 90.000 90.000 SPACE GROUP: Cccm ATOM X Y Z OCCUPANCY ISO(B) Mg 0.33900 0.00000 0.25000 1.000 -1.500 Al 0.25000 0.25000 0.25200 1.000 -2.170 Si 0.00000 0.50000 0.25000 1.000 -2.170 Si 0.18890 0.07400 0.00000 1.000 -2.170 Si 0.13140 -0.23600 0.00000 1.000 -2.170 Al 0.05270 0.29900 0.00000 1.000 -2.170 O 0.24100 -0.09600 0.36200 1.000 -1.900 O 0.06800 -0.40500 0.35200 1.000 -1.900 O -0.17800 -0.30800 0.35700 1.000 -1.900 O 0.04700 -0.22700 0.00000 1.000 -1.900 O 0.11400 0.18000 0.00000 1.000 -1.900 O 0.14800 -0.08300 0.00000 1.000 -1.900 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 15 +/- 8 +/- 8 MAX. ABS. INTENSITY / VOLUME**2: 7.124531272 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 10.36 80.83 8.5359 2 0 0 10.47 100.00 8.4486 1 1 0 18.06 29.53 4.9112 3 1 0 18.25 16.73 4.8614 0 2 0 19.00 20.95 4.6720 0 0 2 21.68 18.58 4.0983 2 0 2 21.74 86.52 4.0885 1 1 2 26.33 52.78 3.3850 3 1 2 26.46 33.75 3.3686 0 2 2 28.32 36.79 3.1511 4 0 2 28.49 85.01 3.1334 2 2 2 29.33 51.69 3.0456 5 1 1 29.44 56.26 3.0336 4 2 1 29.64 56.66 3.0139 1 3 1 33.80 11.08 2.6521 5 1 2 33.90 18.03 2.6442 4 2 2 34.08 3.89 2.6311 1 3 2 34.09 1.24 2.6303 3 1 3 36.59 8.84 2.4556 6 2 0 36.98 4.73 2.4307 0 4 0 37.28 1.00 2.4119 3 3 2 38.54 19.70 2.3360 0 0 4 40.05 1.20 2.2515 1 1 4 40.28 1.07 2.2392 5 1 3 40.37 2.46 2.2344 4 2 3 40.52 2.52 2.2265 1 3 3 41.55 4.60 2.1737 6 2 2 41.90 1.81 2.1563 0 4 2 42.85 6.44 2.1104 7 1 2 42.87 5.33 2.1095 3 1 4 42.96 3.29 2.1055 0 2 4 43.08 7.24 2.0998 5 3 2 43.28 10.80 2.0906 2 4 2 44.20 2.63 2.0491 4 0 4 44.31 2.01 2.0443 2 2 4 46.61 6.80 1.9487 7 3 0 46.80 3.54 1.9411 8 0 2 47.03 1.57 1.9320 1 5 0 47.23 4.35 1.9246 4 4 2 47.54 3.11 1.9126 8 2 1 48.19 1.59 1.8882 4 2 4 48.31 9.46 1.8838 7 1 3 48.32 6.09 1.8835 1 3 4 48.52 12.14 1.8762 5 3 3 48.70 10.69 1.8697 2 4 3 48.92 3.83 1.8618 9 1 0 49.31 3.12 1.8481 6 4 0 49.54 5.20 1.8401 3 5 0 49.95 3.32 1.8259 9 1 1 50.33 9.14 1.8130 6 4 1 50.55 4.06 1.8055 6 0 4 50.56 5.58 1.8054 3 5 1 50.78 6.93 1.7980 3 3 4 53.31 2.33 1.7185 6 4 2 53.69 6.46 1.7072 10 0 0 54.19 41.00 1.6925 6 2 4 54.29 12.57 1.6897 5 5 0 54.48 22.20 1.6843 0 4 4 55.27 2.70 1.6621 7 1 4 55.52 2.99 1.6552 8 2 3 56.01 1.24 1.6418 1 5 3 56.19 3.39 1.6371 9 3 0 56.82 3.49 1.6205 0 6 0 56.97 1.14 1.6165 5 1 5 57.04 1.39 1.6147 4 2 5 57.19 3.34 1.6107 10 2 0 57.47 2.53 1.6036 8 4 0 57.69 8.00 1.5980 9 1 3 57.93 3.40 1.5920 2 6 0 58.03 12.99 1.5894 6 4 3 58.24 3.83 1.5843 3 5 3 58.59 1.59 1.5755 8 0 4 58.95 2.12 1.5667 4 4 4 59.34 6.34 1.5573 0 0 6 59.87 2.79 1.5450 9 3 2 60.45 1.42 1.5315 1 1 6 60.47 3.49 1.5310 0 6 2 60.83 1.45 1.5228 10 2 2 61.10 1.22 1.5168 8 4 2 61.82 2.01 1.5007 7 5 1 61.91 5.72 1.4988 8 2 4 62.02 5.62 1.4964 7 3 4 62.07 3.94 1.4954 4 6 1 62.37 4.95 1.4888 1 5 4 62.57 5.22 1.4845 3 1 6 62.64 3.31 1.4831 0 2 6 63.43 1.97 1.4664 7 1 5 63.60 3.39 1.4630 4 0 6 63.61 1.69 1.4628 5 3 5 63.69 7.60 1.4612 2 2 6 63.76 1.66 1.4597 2 4 5 63.93 2.82 1.4562 11 1 2 64.27 1.72 1.4494 6 4 4 64.45 7.06 1.4458 7 5 2 64.68 5.02 1.4411 4 6 2 65.21 1.29 1.4307 10 2 3 65.46 1.26 1.4258 8 4 3 65.89 3.34 1.4176 2 6 3 66.39 5.15 1.4081 6 6 0 66.71 3.73 1.4021 5 1 6 66.77 4.88 1.4009 4 2 6 66.88 2.63 1.3990 1 3 6 66.98 1.22 1.3970 10 4 0 68.02 1.22 1.3783 10 0 4 68.75 3.02 1.3654 12 2 0 68.93 1.84 1.3623 4 6 3 69.01 14.56 1.3610 12 0 2 69.19 1.37 1.3578 9 5 0 69.59 6.76 1.3510 12 2 1 69.61 1.04 1.3506 8 2 5 69.69 2.42 1.3493 3 7 0 69.75 20.07 1.3482 6 6 2 70.02 4.88 1.3437 9 5 1 70.52 3.67 1.3355 3 7 1 71.09 10.33 1.3261 10 2 4 71.34 4.27 1.3221 8 4 4 71.53 3.90 1.3189 9 1 5 71.75 4.71 1.3156 2 6 4 71.77 5.18 1.3152 6 2 6 71.84 5.04 1.3141 6 4 5 72.02 2.14 1.3113 0 4 6 72.03 1.87 1.3112 3 5 5 72.06 3.25 1.3106 12 2 2 72.49 2.42 1.3039 9 5 2 72.65 1.84 1.3014 13 1 0 72.69 3.35 1.3008 7 1 6 72.86 3.04 1.2983 5 3 6 72.98 3.37 1.2964 3 7 2 73.00 2.44 1.2961 2 4 6 73.63 1.15 1.2866 5 7 0 74.29 7.86 1.2768 11 3 3 74.43 5.45 1.2747 10 4 3 75.09 7.19 1.2651 1 7 3 75.59 3.77 1.2580 8 0 6 75.91 3.11 1.2535 4 4 6 76.12 1.83 1.2505 12 2 3 76.54 3.23 1.2447 9 5 3 77.02 2.35 1.2381 3 7 3 77.39 7.04 1.2332 5 1 7 77.45 6.78 1.2324 4 2 7 77.54 6.50 1.2311 1 3 7 79.40 2.18 1.2069 7 7 0 79.88 1.67 1.2008 13 1 3 79.89 1.96 1.2007 11 3 4 80.03 7.83 1.1990 10 4 4 80.48 2.26 1.1934 2 8 1 80.57 1.53 1.1922 8 6 3 80.68 3.70 1.1910 1 7 4 80.96 10.89 1.1875 12 4 2 81.35 1.64 1.1828 14 2 0 81.64 1.17 1.1794 7 5 5 81.69 4.62 1.1788 12 2 4 81.77 1.61 1.1778 13 3 2 81.85 1.60 1.1768 4 6 5 81.91 5.24 1.1762 0 8 2 81.98 2.02 1.1753 10 6 0 82.10 4.21 1.1739 9 5 4 82.57 5.57 1.1684 3 7 4 82.60 14.40 1.1680 0 0 8 82.77 1.25 1.1661 10 6 1 83.32 3.36 1.1598 4 8 1 84.50 3.31 1.1466 14 2 2 84.63 1.04 1.1451 5 5 6 85.39 3.43 1.1369 13 1 4 85.44 1.29 1.1363 3 1 8 85.67 1.95 1.1339 4 8 2 86.19 3.00 1.1283 9 3 6 86.33 1.97 1.1270 5 7 4 86.72 3.44 1.1229 0 6 6 86.96 1.90 1.1203 11 3 5 87.71 1.74 1.1127 9 7 1 87.74 2.23 1.1124 1 7 5 88.74 3.29 1.1025 12 2 5 89.14 3.36 1.0985 9 5 5 89.61 1.37 1.0940 3 7 5 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.