Macdonaldite Cannillo E, Rossi G, Ungaretti L Atti della Accademia Nazionale dei Lincei 45 (1968) 399-414 The crystal structure of macdonaldite Locality: Fresno County, California, USA Note: x(Si4) corrected _database_code_amcsd 0012053 CELL PARAMETERS: 14.0810 13.1090 23.5600 90.000 90.000 90.000 SPACE GROUP: Cmcm X-RAY WAVELENGTH: 1.541838 Cell Volume: 4348.889 Density (g/cm3): 2.394 MAX. ABS. INTENSITY / VOLUME**2: 6.399473727 RIR: 0.870 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.50 2.25 11.7800 0 0 2 2 9.95 100.00 8.8861 1 1 1 8 11.90 5.70 7.4393 1 1 2 8 12.57 12.19 7.0405 2 0 0 2 13.51 79.36 6.5545 0 2 0 2 14.02 50.73 6.3147 0 2 1 4 14.58 35.05 6.0772 1 1 3 8 14.66 1.02 6.0434 2 0 2 4 15.04 23.87 5.8900 0 0 4 2 15.47 6.07 5.7276 0 2 2 4 17.62 18.42 5.0321 0 2 3 4 17.67 2.60 5.0196 1 1 4 8 18.49 2.77 4.7974 2 2 0 4 18.88 51.99 4.7009 2 2 1 8 19.65 17.66 4.5176 2 0 4 4 19.98 6.37 4.4430 2 2 2 8 20.27 51.45 4.3810 0 2 4 4 20.45 20.83 4.3432 3 1 1 8 21.00 13.64 4.2295 1 1 5 8 21.29 2.79 4.1733 1 3 0 4 21.48 1.75 4.1374 3 1 2 8 21.63 4.52 4.1094 1 3 1 8 21.71 2.20 4.0939 2 2 3 8 22.60 4.24 3.9338 1 3 2 8 23.09 12.18 3.8511 3 1 3 8 23.25 6.57 3.8260 0 2 5 4 23.92 1.32 3.7197 2 2 4 8 24.15 2.71 3.6853 1 3 3 8 24.49 2.37 3.6341 1 1 6 8 25.30 16.55 3.5203 4 0 0 2 25.98 3.35 3.4294 2 0 6 4 26.17 2.42 3.4052 1 3 4 8 26.46 24.49 3.3685 0 2 6 4 27.21 4.15 3.2773 0 4 0 2 27.48 15.25 3.2460 0 4 1 4 27.68 5.66 3.2233 3 1 5 8 27.90 1.58 3.1982 3 3 0 4 28.10 6.06 3.1760 1 1 7 8 28.16 1.53 3.1692 3 3 1 8 28.57 1.34 3.1242 1 3 5 8 28.79 4.00 3.1013 4 2 0 4 28.93 2.55 3.0865 3 3 2 8 29.04 42.49 3.0747 4 2 1 8 29.39 35.98 3.0386 2 2 6 8 29.53 11.92 3.0245 0 4 3 4 29.56 34.83 3.0217 4 0 4 4 29.79 19.12 2.9991 4 2 2 8 29.84 28.30 2.9940 0 2 7 4 30.08 17.25 2.9711 2 4 0 4 30.17 2.98 2.9620 3 3 3 8 30.32 10.14 2.9478 2 4 1 8 30.35 16.95 2.9450 0 0 8 2 31.00 43.82 2.8845 4 2 3 8 31.23 30.79 2.8638 0 4 4 4 31.28 3.17 2.8598 1 3 6 8 31.78 1.40 2.8154 1 1 8 8 31.84 2.32 2.8106 3 3 4 8 32.21 12.25 2.7789 2 4 3 8 32.50 16.86 2.7553 2 2 7 8 32.63 40.88 2.7441 4 2 4 8 32.75 3.40 2.7348 5 1 1 8 32.97 4.32 2.7169 2 0 8 4 33.30 4.99 2.6905 0 4 5 4 33.35 1.03 2.6863 0 2 8 4 33.47 2.57 2.6775 3 1 7 8 33.79 14.55 2.6527 2 4 4 8 33.87 1.49 2.6463 3 3 5 8 34.21 9.52 2.6211 4 0 6 4 34.23 3.03 2.6199 1 3 7 8 34.52 4.68 2.5983 5 1 3 8 34.81 3.35 2.5775 1 5 0 4 35.55 2.42 2.5255 1 1 9 8 35.66 4.70 2.5179 1 5 2 8 35.73 3.67 2.5132 2 4 5 8 35.78 20.11 2.5098 2 2 8 8 36.22 2.06 2.4798 3 3 6 8 36.93 2.80 2.4338 4 2 6 8 36.98 1.49 2.4311 0 2 9 4 37.37 2.57 2.4062 1 3 8 8 37.49 2.47 2.3987 4 4 0 4 37.84 2.85 2.3773 5 1 5 8 37.98 1.78 2.3693 2 4 6 8 38.11 2.59 2.3613 1 5 4 8 38.29 1.88 2.3504 4 4 2 8 38.80 2.37 2.3208 5 3 2 8 38.84 3.44 2.3184 3 3 7 8 39.14 1.46 2.3016 6 0 2 4 39.20 9.42 2.2979 2 2 9 8 39.36 2.56 2.2889 3 5 0 4 39.77 1.78 2.2664 5 3 3 8 39.91 1.95 2.2588 4 0 8 4 40.03 1.57 2.2522 3 1 9 8 40.13 3.30 2.2469 3 5 2 8 40.37 4.33 2.2342 2 0 10 4 40.50 1.36 2.2274 2 4 7 8 40.61 2.80 2.2215 4 4 4 8 40.69 1.39 2.2176 1 3 9 8 41.03 6.63 2.1998 6 2 1 8 41.10 1.83 2.1964 5 3 4 8 41.69 1.02 2.1664 3 3 8 8 41.93 2.23 2.1548 1 5 6 8 42.06 3.72 2.1482 0 6 2 4 42.28 4.72 2.1376 4 4 5 8 42.32 21.31 2.1355 4 2 8 8 42.37 2.10 2.1335 3 5 4 8 42.41 2.32 2.1311 5 1 7 8 42.97 2.82 2.1049 0 6 3 4 43.28 1.93 2.0904 1 1 11 8 43.54 3.17 2.0785 2 6 1 8 43.76 1.02 2.0687 6 2 4 8 44.14 1.22 2.0516 1 3 10 8 44.21 8.79 2.0484 0 6 4 4 44.70 1.35 2.0273 5 3 6 8 44.95 5.12 2.0167 2 6 3 8 45.78 1.91 1.9821 0 6 5 4 45.80 2.68 1.9813 7 1 1 8 45.89 1.69 1.9775 3 5 6 8 46.22 3.02 1.9642 2 4 9 8 46.49 4.55 1.9534 4 4 7 8 46.84 1.49 1.9396 1 5 8 8 46.93 1.62 1.9362 5 3 7 8 47.15 1.53 1.9275 7 1 3 8 47.15 1.73 1.9274 3 1 11 8 47.20 1.44 1.9256 6 2 6 8 47.53 1.74 1.9130 0 4 10 4 47.63 6.56 1.9092 0 6 6 4 47.66 8.32 1.9080 2 6 5 8 47.73 1.10 1.9055 1 3 11 8 47.83 2.78 1.9018 6 4 1 8 47.95 1.04 1.8972 5 1 9 8 47.96 1.18 1.8969 3 3 10 8 48.04 1.47 1.8940 5 5 2 8 48.40 8.36 1.8808 0 2 12 4 48.98 6.19 1.8598 4 4 8 8 49.07 11.49 1.8564 4 6 0 4 49.14 11.87 1.8541 6 4 3 8 49.37 3.88 1.8460 2 4 10 8 49.40 1.28 1.8450 5 3 8 8 49.72 1.52 1.8337 1 7 2 8 49.72 3.58 1.8337 4 6 2 8 49.75 1.73 1.8326 0 6 7 4 49.99 1.30 1.8246 5 5 4 8 50.52 3.56 1.8066 4 6 3 8 51.30 1.11 1.7808 1 1 13 8 51.69 2.47 1.7685 4 4 9 8 51.88 2.99 1.7624 4 2 11 8 51.95 22.86 1.7601 8 0 0 2 52.12 1.27 1.7547 0 6 8 4 52.63 1.10 1.7390 1 5 10 8 52.68 1.65 1.7374 2 4 11 8 53.23 1.18 1.7207 3 7 2 8 53.44 4.95 1.7147 4 0 12 4 53.94 4.05 1.6999 8 2 0 4 54.33 1.50 1.6885 6 2 9 8 54.48 7.63 1.6842 0 4 12 4 54.53 4.42 1.6829 0 0 14 2 54.60 13.53 1.6808 4 4 10 8 54.69 2.40 1.6783 4 6 6 8 54.99 1.40 1.6699 5 3 10 8 55.25 2.20 1.6627 6 0 10 4 55.35 1.59 1.6599 6 4 7 8 55.39 7.19 1.6589 4 2 12 8 56.01 1.07 1.6417 3 5 10 8 56.33 4.76 1.6332 8 2 4 8 56.62 1.95 1.6255 4 6 7 8 57.56 2.48 1.6013 6 4 8 8 57.79 8.80 1.5954 6 6 1 8 59.06 3.14 1.5640 2 8 3 8 59.65 1.20 1.5500 1 1 15 8 59.77 1.54 1.5473 8 4 1 8 60.17 1.31 1.5379 6 2 11 8 60.54 5.30 1.5295 0 6 11 4 60.63 1.96 1.5274 0 2 15 4 60.90 2.15 1.5213 8 4 3 8 60.98 1.23 1.5193 4 4 12 8 61.07 3.63 1.5174 8 2 7 8 61.21 1.59 1.5143 4 6 9 8 61.30 2.36 1.5122 0 8 6 4 61.36 2.71 1.5108 8 0 8 4 61.88 6.93 1.4995 8 4 4 8 63.12 1.67 1.4729 8 4 5 8 63.14 3.73 1.4725 0 0 16 2 63.37 1.47 1.4676 6 2 12 8 63.54 1.17 1.4643 2 4 14 8 63.84 1.51 1.4581 4 6 10 8 64.52 1.57 1.4444 6 6 7 8 64.90 4.60 1.4367 0 2 16 4 65.15 1.50 1.4319 0 8 8 4 65.52 4.94 1.4247 6 4 11 8 66.76 2.78 1.4012 4 2 15 8 67.40 6.69 1.3895 4 8 6 8 67.45 1.28 1.3886 2 4 15 8 68.06 1.14 1.3776 4 4 14 8 68.24 2.25 1.3743 10 2 1 8 68.59 4.58 1.3683 2 6 13 8 69.12 11.99 1.3591 4 8 7 8 69.63 1.78 1.3503 8 6 3 8 69.93 1.69 1.3452 0 8 10 4 70.55 2.23 1.3350 8 6 4 8 70.84 5.18 1.3302 4 2 16 8 71.20 1.64 1.3243 6 8 3 8 71.71 2.07 1.3161 8 6 5 8 72.56 1.15 1.3029 0 10 2 4 72.65 1.60 1.3014 0 8 11 4 72.80 3.07 1.2992 10 2 6 8 73.13 2.59 1.2941 8 6 6 8 73.15 2.13 1.2937 10 4 0 4 73.61 1.46 1.2868 2 10 1 8 73.72 1.82 1.2851 8 2 12 8 74.09 1.11 1.2796 0 10 4 4 74.46 2.34 1.2742 10 2 7 8 74.72 1.31 1.2704 10 0 8 4 75.08 1.33 1.2653 4 2 17 8 75.19 3.31 1.2636 10 4 4 8 75.73 1.94 1.2560 2 4 17 8 75.81 2.05 1.2549 4 4 16 8 75.81 1.49 1.2549 2 6 15 8 76.36 2.72 1.2472 10 2 8 8 77.86 1.68 1.2268 4 0 18 4 78.24 1.58 1.2219 4 10 2 8 78.33 1.20 1.2207 4 8 11 8 78.50 1.12 1.2184 0 2 19 4 78.62 3.60 1.2169 8 4 12 8 78.66 1.00 1.2164 8 0 14 4 80.02 4.12 1.1991 6 6 13 8 80.14 1.10 1.1976 0 10 8 4 82.14 1.75 1.1734 12 0 0 2 82.22 2.05 1.1724 4 10 6 8 82.40 1.28 1.1704 10 6 3 8 83.79 2.99 1.1545 8 6 11 8 83.86 1.58 1.1536 4 6 16 8 84.07 1.05 1.1514 4 2 19 8 84.28 1.15 1.1490 4 4 18 8 84.38 2.02 1.1479 10 6 5 8 84.46 2.30 1.1470 8 8 6 8 84.60 2.78 1.1455 0 10 10 4 84.69 1.11 1.1445 6 10 0 4 84.82 1.10 1.1431 6 10 1 8 85.66 1.36 1.1340 10 4 10 8 85.68 1.16 1.1338 4 10 8 8 85.71 2.19 1.1335 12 2 4 8 86.09 2.00 1.1294 8 0 16 4 86.87 1.19 1.1213 6 4 17 8 86.94 3.39 1.1206 6 6 15 8 87.28 1.70 1.1171 4 0 20 4 87.61 2.46 1.1137 4 8 14 8 87.68 4.35 1.1130 8 2 16 8 88.17 1.21 1.1081 12 2 6 8 88.83 1.64 1.1015 4 4 19 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.