Chervetite Kawahara A Bulletin de la Societe Francaise de Mineralogie et de Cristallographie 90 (1967) 279-284 La structure cristalline de la chervetite Locality: Mounana, Gabon _database_code_amcsd 0012125 CELL PARAMETERS: 13.3700 7.1600 7.1100 90.000 106.000 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 654.268 Density (g/cm3): 6.377 MAX. ABS. INTENSITY / VOLUME**2: 57.82092097 RIR: 2.952 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.95 6.91 6.8346 0 0 1 2 13.78 6.49 6.4260 2 0 0 2 14.16 11.45 6.2548 1 1 0 4 16.12 10.78 5.4988 -2 0 1 2 17.89 7.26 4.9573 -1 1 1 4 17.94 61.74 4.9438 0 1 1 4 18.55 2.74 4.7824 2 1 0 4 20.36 5.99 4.3611 -2 1 1 4 20.49 42.95 4.3337 1 1 1 4 21.43 3.79 4.1460 2 0 1 2 24.21 1.59 3.6762 3 1 0 4 24.63 25.07 3.6138 -3 1 1 4 24.82 61.34 3.5879 2 1 1 4 24.87 3.12 3.5800 0 2 0 2 25.83 100.00 3.4487 1 2 0 4 25.94 76.92 3.4351 -2 0 2 2 27.22 18.90 3.2761 -4 0 1 2 27.77 83.30 3.2130 4 0 0 2 28.02 12.88 3.1840 -1 1 2 4 28.11 2.11 3.1748 -1 2 1 4 28.14 33.84 3.1713 0 2 1 4 28.54 1.98 3.1274 2 2 0 4 28.83 70.05 3.0971 -2 1 2 4 28.95 1.90 3.0840 0 1 2 4 29.78 33.31 3.0002 -2 2 1 4 29.87 4.55 2.9912 1 2 1 4 30.00 27.14 2.9791 -4 1 1 4 30.21 24.48 2.9588 3 1 1 4 30.49 11.63 2.9314 4 1 0 4 31.24 35.03 2.8633 -3 1 2 4 31.47 16.40 2.8427 1 1 2 4 32.60 27.05 2.7471 3 2 0 4 32.90 41.71 2.7221 2 0 2 2 32.92 4.34 2.7207 -3 2 1 4 33.06 26.70 2.7096 2 2 1 4 35.27 2.13 2.5444 2 1 2 4 35.59 25.58 2.5225 -1 2 2 4 36.02 4.40 2.4931 -5 1 1 4 36.26 1.08 2.4778 4 1 1 4 36.34 2.23 2.4719 0 2 2 4 37.16 3.61 2.4192 5 1 0 4 37.20 1.45 2.4169 -4 2 1 4 38.10 14.58 2.3621 -2 0 3 2 38.24 11.55 2.3538 -3 2 2 4 38.36 1.70 2.3465 1 3 0 4 38.43 3.99 2.3423 1 2 2 4 39.56 20.30 2.2782 0 0 3 2 39.67 2.96 2.2720 -5 1 2 4 39.99 5.33 2.2545 -1 3 1 4 40.05 7.59 2.2514 3 1 2 4 40.20 5.60 2.2431 -2 1 3 4 40.27 1.62 2.2394 -1 1 3 4 40.31 24.71 2.2373 2 3 0 4 41.23 8.28 2.1893 -2 3 1 4 41.30 12.40 2.1859 1 3 1 4 41.39 2.56 2.1812 -3 1 3 4 41.41 12.25 2.1805 -4 2 2 4 41.60 1.48 2.1709 0 1 3 4 41.68 5.43 2.1669 2 2 2 4 41.81 4.44 2.1605 -4 0 3 2 42.19 7.02 2.1420 6 0 0 2 42.34 8.36 2.1349 -5 2 1 4 42.52 1.12 2.1262 -6 1 1 4 42.54 18.00 2.1252 4 2 1 4 42.76 11.02 2.1145 5 1 1 4 43.22 7.02 2.0930 -6 0 2 2 43.34 24.13 2.0880 5 2 0 4 43.40 3.86 2.0849 3 3 0 4 43.66 3.59 2.0734 -3 3 1 4 43.66 2.23 2.0730 4 0 2 2 43.77 3.73 2.0684 2 3 1 4 44.09 8.69 2.0539 1 1 3 4 45.13 23.93 2.0090 -6 1 2 4 45.56 2.53 1.9912 4 1 2 4 45.56 6.76 1.9911 -5 2 2 4 45.79 8.14 1.9815 -1 3 2 4 45.90 17.79 1.9772 3 2 2 4 46.10 12.26 1.9690 -1 2 3 4 46.32 3.21 1.9600 -2 3 2 4 46.41 6.07 1.9567 0 3 2 4 47.29 5.72 1.9220 0 2 3 4 47.45 4.53 1.9159 4 3 0 4 47.97 3.47 1.8965 -3 3 2 4 48.13 6.84 1.8907 -6 2 1 4 49.26 1.73 1.8498 -4 2 3 4 49.38 4.31 1.8454 -7 1 1 4 49.56 2.13 1.8393 1 2 3 4 49.59 2.89 1.8381 6 2 0 4 49.64 18.03 1.8364 6 1 1 4 49.74 10.44 1.8329 -6 0 3 2 50.51 1.91 1.8069 -6 2 2 4 50.65 3.55 1.8023 -4 3 2 4 50.88 6.48 1.7946 2 3 2 4 51.02 1.17 1.7900 0 4 0 2 51.18 8.45 1.7848 -7 1 2 4 51.44 7.03 1.7763 -5 3 1 4 51.65 1.86 1.7698 5 1 2 4 51.98 1.61 1.7591 3 1 3 4 52.31 1.79 1.7490 5 3 0 4 52.39 6.14 1.7463 -5 2 3 4 52.79 1.52 1.7340 2 2 3 4 52.85 23.36 1.7322 -1 4 1 4 52.87 2.00 1.7316 0 4 1 4 53.53 5.94 1.7119 -3 1 4 4 53.68 3.40 1.7075 -1 1 4 4 54.25 4.03 1.6908 -5 3 2 4 54.45 2.14 1.6851 -7 2 1 4 54.67 6.82 1.6789 -2 3 3 4 54.98 13.38 1.6702 -4 1 4 4 54.99 8.17 1.6698 -8 0 1 2 55.27 9.98 1.6620 0 1 4 4 55.51 6.29 1.6555 4 0 3 2 55.62 7.15 1.6524 -3 3 3 4 55.78 6.26 1.6479 0 3 3 4 56.13 1.64 1.6386 -7 2 2 4 56.52 3.45 1.6281 -6 3 1 4 56.60 5.36 1.6261 -8 1 1 4 56.66 4.09 1.6246 6 0 2 2 56.72 3.87 1.6229 5 3 1 4 56.87 5.63 1.6190 7 1 1 4 56.88 5.55 1.6187 3 2 3 4 57.10 5.82 1.6130 4 1 3 4 57.35 1.60 1.6065 8 0 0 2 57.39 6.06 1.6057 -5 1 4 4 57.54 9.29 1.6017 -4 3 3 4 57.66 1.06 1.5988 -1 4 2 4 57.74 1.76 1.5968 -8 1 2 4 57.81 1.10 1.5949 1 3 3 4 57.82 5.78 1.5948 1 1 4 4 57.84 3.05 1.5941 6 3 0 4 57.93 2.75 1.5920 -2 2 4 4 58.18 1.55 1.5856 0 4 2 4 58.91 14.22 1.5678 3 4 1 4 58.92 2.87 1.5675 8 1 0 4 59.02 2.92 1.5651 4 3 2 4 59.08 1.58 1.5637 4 4 0 4 59.52 1.53 1.5531 -3 4 2 4 59.66 2.63 1.5498 1 4 2 4 59.99 1.93 1.5420 0 2 4 4 60.74 5.15 1.5248 2 3 3 4 61.17 4.22 1.5152 -7 2 3 4 61.51 1.02 1.5075 7 2 1 4 61.73 1.25 1.5027 4 2 3 4 61.85 1.55 1.5001 -4 4 2 4 62.34 2.26 1.4895 -8 2 2 4 62.48 1.39 1.4865 6 3 1 4 62.55 7.01 1.4850 -5 4 1 4 62.70 1.17 1.4817 4 4 1 4 62.87 5.10 1.4782 5 1 3 4 63.81 4.42 1.4587 -7 3 2 4 63.98 2.56 1.4552 7 3 0 4 64.05 1.12 1.4537 -6 3 3 4 64.21 2.54 1.4505 5 3 2 4 64.46 1.21 1.4455 8 1 1 4 64.51 1.17 1.4446 3 3 3 4 64.79 1.94 1.4389 -7 1 4 4 65.04 3.54 1.4340 -5 4 2 4 65.16 1.30 1.4317 -6 2 4 4 65.46 1.37 1.4259 3 1 4 4 65.60 2.88 1.4232 1 5 0 4 65.69 2.38 1.4214 2 2 4 4 65.82 3.07 1.4190 -2 0 5 2 65.86 1.11 1.4181 -3 3 4 4 65.99 1.19 1.4156 -1 3 4 4 66.27 1.66 1.4103 -3 4 3 4 66.55 1.40 1.4050 -4 0 5 2 66.72 1.59 1.4019 -1 5 1 4 67.14 1.67 1.3941 -4 3 4 4 67.26 1.06 1.3919 -2 1 5 4 67.27 1.63 1.3919 5 2 3 4 67.41 1.59 1.3893 0 3 4 4 68.26 3.44 1.3741 1 4 3 4 68.51 2.02 1.3696 -7 3 3 4 68.53 3.90 1.3693 -9 2 1 4 68.80 1.79 1.3645 8 2 1 4 68.84 2.96 1.3639 7 3 1 4 69.17 7.82 1.3581 3 5 0 4 69.30 2.19 1.3559 -5 3 4 4 69.61 2.53 1.3506 7 2 2 4 69.65 4.20 1.3500 -8 1 4 4 69.68 1.05 1.3494 -5 1 5 4 69.69 1.61 1.3493 1 3 4 4 70.06 4.22 1.3430 6 3 2 4 70.42 1.06 1.3371 4 1 4 4 70.68 2.69 1.3327 8 3 0 4 71.07 2.11 1.3264 9 2 0 4 71.44 1.94 1.3205 8 0 2 2 71.44 2.49 1.3204 -3 2 5 4 72.22 1.43 1.3081 -6 1 5 4 72.27 1.62 1.3074 -10 1 2 4 72.47 2.23 1.3042 -1 2 5 4 72.74 1.92 1.3001 -9 2 3 4 72.76 3.62 1.2998 1 5 2 4 73.45 1.19 1.2893 6 2 3 4 73.69 3.28 1.2856 -8 3 3 4 73.72 1.29 1.2852 10 0 0 2 73.84 1.43 1.2833 -8 2 4 4 73.95 2.16 1.2817 7 4 0 4 74.03 4.10 1.2806 -10 0 3 2 74.60 2.06 1.2722 4 2 4 4 74.90 4.49 1.2678 2 0 5 2 75.21 2.50 1.2634 -9 1 4 4 75.36 1.05 1.2612 -2 4 4 4 75.39 3.11 1.2608 -5 5 1 4 75.51 1.35 1.2590 -9 3 1 4 75.85 3.54 1.2543 -1 4 4 4 76.08 1.34 1.2511 5 1 4 4 76.41 2.78 1.2465 -10 2 2 4 76.90 2.01 1.2397 1 2 5 4 77.69 1.91 1.2292 -5 5 2 4 77.97 1.46 1.2254 9 3 0 4 78.36 1.27 1.2202 -8 0 5 2 78.41 1.02 1.2197 -2 3 5 4 78.54 1.78 1.2180 7 4 1 4 78.83 6.33 1.2142 -3 5 3 4 79.09 2.37 1.2108 -4 3 5 4 79.32 1.56 1.2079 -1 3 5 4 79.65 1.56 1.2037 -7 2 5 4 80.27 1.36 1.1960 6 3 3 4 80.30 1.11 1.1956 -11 1 2 4 80.69 4.04 1.1908 1 5 3 4 80.69 1.52 1.1908 -5 3 5 4 80.96 3.42 1.1875 10 1 1 4 81.07 2.53 1.1861 0 3 5 4 81.39 1.13 1.1823 4 3 4 4 81.68 1.41 1.1788 -2 0 6 2 81.96 2.94 1.1755 0 6 1 4 82.44 1.25 1.1699 6 1 4 4 82.76 1.95 1.1662 -2 6 1 4 83.02 2.65 1.1632 -2 1 6 4 83.11 1.52 1.1621 -6 3 5 4 83.79 1.35 1.1545 5 4 3 4 83.79 2.93 1.1545 8 1 3 4 84.36 1.33 1.1481 -1 1 6 4 84.48 1.23 1.1468 2 6 1 4 84.58 2.60 1.1457 3 2 5 4 84.64 1.04 1.1451 -9 1 5 4 84.64 2.10 1.1450 -6 0 6 2 85.22 1.07 1.1387 8 4 1 4 85.49 4.00 1.1358 -9 4 2 4 85.52 2.60 1.1355 -7 4 4 4 85.97 1.48 1.1307 -6 1 6 4 86.12 4.13 1.1292 7 5 0 4 86.12 3.29 1.1291 3 4 4 4 86.33 4.33 1.1269 5 5 2 4 86.36 1.04 1.1266 0 6 2 4 86.87 1.21 1.1213 -4 6 1 4 86.92 2.46 1.1207 -11 2 3 4 86.98 1.40 1.1202 3 6 1 4 87.51 1.19 1.1148 -3 6 2 4 87.63 1.06 1.1135 1 6 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.