Malhmoodite Yang H, Gu X, Loomis T, Gibbs R B, Downs R T The Canadian Mineralogist 60 (2022) 485-492 The crystal structure of malhmoodite from Custer, South Dakota, USA Locality: Scott’s Rose Quartz mine, Custer County, South Dakota, USA _database_code_amcsd 0021077 CELL PARAMETERS: 5.3120 9.3419 9.7062 97.611 91.980 90.363 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 477.105 Density (g/cm3): 2.877 MAX. ABS. INTENSITY / VOLUME**2: 13.93602355 RIR: 1.577 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.20 44.40 9.6146 0 0 1 2 18.46 35.11 4.8073 0 0 2 2 19.17 1.36 4.6295 0 2 0 2 19.37 62.95 4.5836 1 1 0 2 20.15 89.94 4.4060 0 -2 1 2 20.65 3.99 4.3019 -1 -1 1 2 21.01 9.43 4.2282 1 -1 1 2 21.60 100.00 4.1133 -1 1 1 2 22.28 26.15 3.9905 1 1 1 2 22.39 6.25 3.9702 0 2 1 2 24.87 29.48 3.5806 0 -2 2 2 25.52 6.71 3.4899 -1 -1 2 2 27.22 26.97 3.2766 -1 1 2 2 28.17 63.51 3.1681 1 1 2 2 31.78 27.70 2.8158 0 -2 3 2 32.51 1.57 2.7543 -1 -1 3 2 33.42 23.92 2.6810 -1 3 0 2 33.45 20.35 2.6792 1 -1 3 2 33.75 8.84 2.6555 1 3 0 2 33.77 12.37 2.6543 2 0 0 2 33.81 22.81 2.6511 -1 -3 1 2 33.82 8.60 2.6501 1 -3 1 2 34.60 15.25 2.5923 -1 1 3 2 34.74 6.54 2.5823 -2 0 1 2 35.40 3.77 2.5354 2 0 1 2 35.63 1.64 2.5199 -1 3 1 2 36.14 12.02 2.4852 0 2 3 2 36.27 2.78 2.4771 1 3 1 2 36.43 2.90 2.4664 -1 -3 2 2 36.76 3.56 2.4449 1 -3 2 2 37.68 1.18 2.3870 0 -3 3 2 38.91 1.84 2.3148 0 4 0 2 38.93 1.46 2.3137 -2 2 0 2 39.31 3.24 2.2918 2 2 0 2 40.07 9.09 2.2502 -1 3 2 2 40.67 11.82 2.2186 -1 -1 4 2 40.94 1.42 2.2045 1 3 2 2 40.97 6.14 2.2030 0 -4 2 2 41.18 6.48 2.1919 -1 -3 3 2 41.37 1.48 2.1823 2 2 1 2 41.77 2.89 2.1625 1 -3 3 2 42.00 6.88 2.1510 -2 -2 2 2 42.77 5.86 2.1141 2 -2 2 2 43.49 7.14 2.0810 -2 0 3 2 44.03 16.13 2.0567 -2 2 2 2 44.20 3.10 2.0489 1 1 4 2 44.73 1.95 2.0261 0 2 4 2 45.12 7.52 2.0093 2 0 3 2 45.17 3.84 2.0072 0 -4 3 2 45.46 17.36 1.9953 2 2 2 2 45.70 4.23 1.9851 0 4 2 2 47.25 4.04 1.9238 1 3 3 2 47.27 1.01 1.9229 0 0 5 2 48.33 4.36 1.8831 1 -3 4 2 48.81 2.29 1.8657 0 -2 5 2 49.39 3.17 1.8453 -2 2 3 2 49.61 2.88 1.8376 -1 -1 5 2 50.77 5.95 1.7983 1 -1 5 2 51.01 11.33 1.7903 0 -4 4 2 51.19 3.01 1.7845 2 2 3 2 51.90 4.19 1.7618 1 -5 1 2 52.14 1.10 1.7541 -2 4 0 2 52.29 3.06 1.7496 2 -4 1 2 52.42 2.34 1.7454 -2 -4 1 2 52.44 3.77 1.7449 -2 -2 4 2 52.52 1.62 1.7425 1 5 0 2 52.55 1.97 1.7416 -3 1 0 2 52.78 1.10 1.7345 3 1 0 2 53.09 2.75 1.7251 -3 -1 1 2 53.37 1.26 1.7168 -3 1 1 2 53.42 9.93 1.7150 -1 -5 2 2 53.52 1.96 1.7122 1 -5 2 2 53.63 4.33 1.7090 -1 3 4 2 53.84 9.32 1.7027 -2 4 1 2 54.01 4.32 1.6978 0 2 5 2 54.04 3.26 1.6970 2 -2 4 2 54.20 2.34 1.6923 -1 5 1 2 54.30 7.14 1.6894 3 1 1 2 54.91 9.04 1.6720 2 4 1 2 55.15 4.00 1.6654 -1 -3 5 2 55.97 6.00 1.6428 -3 1 2 2 56.14 7.68 1.6383 -2 2 4 2 56.37 2.18 1.6321 3 -1 2 2 56.88 4.87 1.6186 1 -5 3 2 57.18 2.12 1.6109 -2 -4 3 2 57.51 4.68 1.6024 0 0 6 2 57.96 2.81 1.5912 2 -4 3 2 58.23 4.93 1.5843 -2 0 5 2 58.24 3.56 1.5841 2 2 4 2 58.78 2.31 1.5709 1 5 2 2 58.96 4.31 1.5666 0 4 4 2 59.02 2.54 1.5652 -3 -1 3 2 59.22 2.70 1.5603 -1 -1 6 2 59.38 5.81 1.5563 0 -6 1 2 60.45 6.43 1.5314 2 0 5 2 60.45 4.88 1.5314 3 -3 1 2 60.61 3.92 1.5279 3 3 0 2 61.29 1.44 1.5124 -1 -5 4 2 61.93 1.60 1.4984 -3 -3 2 2 62.08 1.25 1.4952 -1 3 5 2 62.18 1.48 1.4930 0 6 1 2 63.26 2.32 1.4700 -1 5 3 2 63.30 1.33 1.4691 1 1 6 2 63.35 4.71 1.4681 1 3 5 2 63.75 2.47 1.4599 -1 -3 6 2 64.81 3.38 1.4385 1 -3 6 2 65.91 1.16 1.4172 -3 1 4 2 65.91 1.09 1.4171 3 3 2 2 66.32 1.25 1.4094 3 -3 3 2 66.40 1.36 1.4079 0 -4 6 2 66.63 2.70 1.4035 3 -1 4 2 68.21 2.41 1.3749 -2 -4 5 2 68.65 2.43 1.3672 0 -2 7 2 69.73 1.27 1.3487 2 -4 5 2 69.90 2.11 1.3457 2 -6 1 2 70.21 2.62 1.3405 -2 6 0 2 70.27 1.30 1.3396 2 -2 6 2 70.28 2.14 1.3395 -2 -6 1 2 70.97 1.38 1.3281 -3 -1 5 2 70.99 1.86 1.3277 2 6 0 2 71.02 1.76 1.3272 1 5 4 2 71.03 4.32 1.3271 4 0 0 2 71.12 2.19 1.3255 -2 -6 2 2 71.16 1.67 1.3250 2 -6 2 2 71.26 1.05 1.3234 0 6 3 2 71.46 1.48 1.3201 -1 3 6 2 72.47 2.34 1.3043 -1 1 7 2 73.24 1.15 1.2924 -1 -7 1 2 73.29 1.95 1.2916 -1 -3 7 2 73.32 1.46 1.2912 -4 0 2 2 73.61 2.17 1.2868 -1 7 0 2 73.92 1.75 1.2821 1 1 7 2 74.56 1.62 1.2728 -4 -2 1 2 74.84 2.89 1.2687 4 -2 1 2 75.18 2.26 1.2638 3 -5 2 2 75.75 1.08 1.2557 -1 7 1 2 76.39 1.99 1.2468 1 7 1 2 76.69 2.41 1.2426 0 4 6 2 77.09 1.02 1.2371 4 -2 2 2 77.14 1.20 1.2365 3 3 4 2 77.40 1.92 1.2330 -3 -5 3 2 78.04 1.09 1.2244 3 -3 5 2 78.99 1.32 1.2121 -4 -2 3 2 79.37 1.14 1.2072 -1 7 2 2 80.27 1.22 1.1960 1 -7 4 2 80.82 1.37 1.1892 4 -2 3 2 81.33 2.20 1.1830 -3 3 5 2 83.01 1.54 1.1633 -3 -3 6 2 85.09 1.02 1.1402 -1 -7 5 2 85.30 1.66 1.1378 3 5 3 2 85.48 1.06 1.1359 1 1 8 2 85.81 1.17 1.1324 0 6 5 2 88.05 1.22 1.1093 -2 -2 8 2 88.56 1.31 1.1042 -3 5 4 2 88.87 1.49 1.1011 0 -6 7 2 89.74 1.50 1.0927 0 8 2 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.