Gudmundite Buerger M J American Mineralogist 24 (1939) 183-184 The crystal structure of gudmundite _database_code_amcsd 0000020 CELL PARAMETERS: 6.0200 5.9300 6.0200 90.000 67.870 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 199.074 Density (g/cm3): 6.995 MAX. ABS. INTENSITY / VOLUME**2: 78.40692732 RIR: 3.650 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.89 14.79 5.5765 1 0 0 2 21.88 10.24 4.0624 0 1 1 4 21.88 29.09 4.0624 1 1 0 4 23.28 16.92 3.8201 1 1 1 4 29.95 26.00 2.9837 1 0 2 2 30.14 5.65 2.9650 0 2 0 2 30.58 18.23 2.9238 -1 1 1 4 32.10 23.50 2.7883 2 0 0 2 32.10 15.92 2.7883 0 0 2 2 33.62 25.95 2.6653 2 1 1 4 33.62 11.05 2.6653 1 1 2 4 34.25 23.63 2.6180 0 2 1 4 34.25 1.57 2.6180 1 2 0 4 35.20 92.60 2.5496 1 2 1 4 35.58 52.61 2.5232 2 1 0 4 35.58 47.39 2.5232 0 1 2 4 35.96 11.37 2.4973 2 0 2 2 39.14 8.18 2.3015 2 1 2 4 41.30 21.29 2.1861 -1 0 2 2 43.01 2.40 2.1031 2 2 1 4 44.15 12.11 2.0512 -2 1 1 4 44.15 2.21 2.0512 -1 1 2 4 44.61 3.74 2.0312 0 2 2 4 44.61 3.77 2.0312 2 2 0 4 47.48 2.19 1.9150 3 0 2 2 47.61 8.77 1.9101 2 2 2 4 47.90 30.29 1.8989 3 1 1 4 47.90 31.57 1.8989 1 1 3 4 48.89 6.97 1.8631 0 3 1 4 48.89 1.91 1.8631 1 3 0 4 49.00 1.11 1.8588 3 0 0 2 49.60 10.82 1.8380 1 3 1 4 50.05 3.73 1.8224 2 1 3 4 50.05 6.38 1.8224 3 1 2 4 51.97 2.31 1.7596 -1 2 2 4 51.97 10.21 1.7596 -2 2 1 4 53.80 31.59 1.7038 -1 3 1 4 54.62 14.68 1.6803 -2 0 2 2 55.32 4.77 1.6606 3 2 1 4 55.32 4.14 1.6606 1 2 3 4 55.79 2.79 1.6479 1 3 2 4 55.79 1.67 1.6479 2 3 1 4 57.12 5.29 1.6126 0 3 2 4 57.12 7.98 1.6126 2 3 0 4 57.27 4.95 1.6087 2 2 3 4 57.50 13.06 1.6029 3 1 3 4 58.61 3.77 1.5749 0 2 3 4 58.61 1.94 1.5749 3 2 0 4 59.66 1.08 1.5499 2 3 2 4 62.23 1.07 1.4918 4 0 2 2 62.67 2.84 1.4825 0 4 0 2 64.15 7.78 1.4517 3 2 3 4 64.40 4.74 1.4468 2 1 4 4 64.40 3.69 1.4468 4 1 2 4 64.43 2.19 1.4461 1 1 4 4 65.11 2.93 1.4327 1 4 0 4 66.42 2.17 1.4074 1 3 3 4 66.42 2.03 1.4074 3 3 1 4 66.66 9.06 1.4030 -3 2 1 4 66.66 12.74 1.4030 -1 2 3 4 67.05 1.55 1.3959 3 0 4 2 67.14 3.54 1.3941 0 0 4 2 67.14 3.11 1.3941 4 0 0 2 68.18 2.88 1.3754 3 3 2 4 69.13 1.08 1.3588 4 1 3 4 69.23 2.09 1.3571 4 1 0 4 69.40 3.92 1.3541 0 3 3 4 70.69 1.43 1.3327 2 2 4 4 70.69 1.47 1.3327 4 2 2 4 70.72 3.04 1.3321 4 2 1 4 70.72 1.21 1.3321 1 2 4 4 70.99 1.50 1.3276 1 4 2 4 72.75 1.78 1.2999 -3 1 2 4 74.42 12.37 1.2748 2 4 2 4 76.25 3.54 1.2487 4 0 4 2 76.41 2.20 1.2465 -1 0 4 2 76.87 1.08 1.2402 -3 3 1 4 78.24 2.36 1.2219 4 1 4 4 78.39 1.31 1.2199 -1 1 4 4 78.39 4.55 1.2199 -4 1 1 4 79.66 2.80 1.2036 5 0 2 2 80.69 1.80 1.1908 2 3 4 4 80.72 1.22 1.1904 1 3 4 4 81.62 3.41 1.1796 2 1 5 4 83.30 1.69 1.1601 1 5 0 4 83.32 2.13 1.1598 5 1 1 4 83.32 1.13 1.1598 1 1 5 4 83.39 4.41 1.1590 3 4 0 4 83.84 1.09 1.1539 1 5 1 4 85.08 1.80 1.1403 4 3 3 4 87.15 2.92 1.1184 -1 5 1 4 87.81 3.60 1.1117 -2 4 2 4 88.50 3.41 1.1048 -2 3 3 4 88.91 2.75 1.1008 -3 1 3 4 89.14 1.40 1.0985 5 -2 1 4 89.14 2.43 1.0985 1 2 5 4 89.39 2.58 1.0961 0 1 5 4 89.88 2.57 1.0914 2 5 0 4 89.88 4.21 1.0914 0 5 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.