Sahamalite-(Ce) Pertlik F, Preisinger A Tschermaks Mineralogische und Petrographische Mitteilungen 31 (1983) 39-46 Crystal structure of sahamalite (Mg,Fe)RE2(CO3)4 Locality: Mountain Pass mine, San Bernardino County, California _database_code_amcsd 0015692 CELL PARAMETERS: 5.8940 16.1160 4.6120 90.000 106.540 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 419.956 Density (g/cm3): 4.331 MAX. ABS. INTENSITY / VOLUME**2: 30.67584489 RIR: 2.306 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.98 15.15 8.0580 0 2 0 2 16.63 38.92 5.3319 1 1 0 4 19.19 23.25 4.6262 1 2 0 4 20.08 5.35 4.4212 0 0 1 2 20.83 54.60 4.2636 0 1 1 4 22.06 16.31 4.0290 0 4 0 2 22.84 77.25 3.8932 1 3 0 4 22.94 1.15 3.8761 0 2 1 4 24.39 100.00 3.6492 -1 2 1 4 26.10 2.08 3.4137 0 3 1 4 27.18 16.31 3.2804 1 4 0 4 27.39 2.16 3.2557 -1 3 1 4 29.51 34.95 3.0271 1 1 1 4 30.01 3.66 2.9779 0 4 1 4 31.07 31.05 2.8786 1 2 1 4 31.15 63.11 2.8713 -1 4 1 4 31.67 9.53 2.8251 2 0 0 2 31.97 3.78 2.7997 1 5 0 4 32.17 20.81 2.7826 2 1 0 4 32.39 23.48 2.7642 -2 0 1 2 32.87 5.46 2.7245 -2 1 1 4 33.36 22.86 2.6860 0 6 0 2 33.52 15.01 2.6733 1 3 1 4 33.62 8.54 2.6660 2 2 0 4 34.43 24.33 2.6045 0 5 1 4 36.56 1.99 2.4579 -2 3 1 4 36.71 5.87 2.4479 1 4 1 4 37.06 8.16 2.4258 1 6 0 4 38.94 9.11 2.3131 2 4 0 4 39.54 14.07 2.2794 -2 4 1 4 39.72 18.37 2.2691 -1 1 2 4 40.16 3.55 2.2456 -1 6 1 4 40.50 1.49 2.2275 1 5 1 4 40.82 10.33 2.2106 0 0 2 2 41.22 8.46 2.1901 0 1 2 4 42.39 14.45 2.1321 1 7 0 4 42.55 18.54 2.1245 2 5 0 4 42.60 14.17 2.1222 2 0 1 2 42.90 23.07 2.1080 -1 3 2 4 43.11 26.36 2.0983 -2 5 1 4 44.13 12.15 2.0522 2 2 1 4 44.26 5.06 2.0465 -2 0 2 2 44.31 2.87 2.0443 0 3 2 4 44.36 10.93 2.0420 0 7 1 4 44.76 1.70 2.0249 1 6 1 4 45.00 1.14 2.0145 0 8 0 2 45.74 7.35 1.9835 -2 2 2 4 46.66 4.89 1.9466 2 6 0 4 46.88 13.28 1.9380 0 4 2 4 47.09 4.90 1.9297 -3 1 1 4 47.18 7.78 1.9264 -2 6 1 4 47.94 5.45 1.8975 1 8 0 4 48.16 2.57 1.8895 -3 2 1 4 48.48 14.27 1.8776 2 4 1 4 48.64 1.96 1.8719 1 1 2 4 49.41 14.48 1.8445 1 7 1 4 49.68 9.82 1.8351 1 2 2 4 49.71 15.74 1.8339 3 2 0 4 49.90 19.75 1.8277 -3 3 1 4 49.99 13.13 1.8246 -2 4 2 4 50.03 9.32 1.8230 0 5 2 4 50.49 10.75 1.8074 -1 8 1 4 51.18 3.36 1.7847 2 7 0 4 52.26 1.28 1.7506 -3 4 1 4 53.69 6.18 1.7071 1 4 2 4 53.70 10.63 1.7070 1 9 0 4 53.70 6.07 1.7069 0 6 2 4 53.72 5.53 1.7062 3 4 0 4 54.41 8.70 1.6862 1 8 1 4 54.57 3.71 1.6816 -3 1 2 4 55.16 3.81 1.6652 2 6 1 4 55.35 6.20 1.6597 0 9 1 4 55.53 4.20 1.6548 -3 2 2 4 56.53 4.95 1.6279 -2 6 2 4 56.67 8.16 1.6243 -1 7 2 4 57.11 2.26 1.6128 -3 3 2 4 57.16 2.97 1.6116 0 10 0 2 57.82 1.01 1.5946 0 7 2 4 58.79 2.82 1.5707 3 1 1 4 59.27 2.57 1.5591 -3 4 2 4 59.72 1.65 1.5483 1 9 1 4 59.99 1.17 1.5421 3 6 0 4 60.34 4.83 1.5340 2 1 2 4 61.21 5.77 1.5143 3 3 1 4 61.21 2.55 1.5141 0 10 1 4 61.29 1.60 1.5124 2 9 0 4 61.42 2.85 1.5096 -1 2 3 4 61.72 1.77 1.5029 -2 9 1 4 62.50 7.40 1.4861 -2 1 3 4 62.54 1.25 1.4852 -3 7 1 4 62.90 3.27 1.4776 -1 3 3 4 63.08 3.47 1.4737 0 0 3 2 63.14 4.75 1.4725 -4 0 1 2 63.38 1.17 1.4676 0 1 3 4 64.94 2.82 1.4359 -1 4 3 4 66.44 1.97 1.4071 4 1 0 4 67.24 1.56 1.3923 -2 10 1 4 67.29 1.20 1.3914 0 9 2 4 67.33 5.64 1.3907 0 11 1 4 67.35 6.94 1.3903 2 5 2 4 67.75 3.16 1.3831 -4 4 1 4 68.09 4.95 1.3771 -4 1 2 4 68.13 4.20 1.3763 1 8 2 4 68.16 5.88 1.3758 3 8 0 4 68.90 3.92 1.3628 -3 7 2 4 69.09 1.20 1.3595 -3 1 3 4 69.40 6.16 1.3543 -2 5 3 4 69.93 3.12 1.3452 -3 2 3 4 70.61 1.02 1.3339 -1 6 3 4 70.67 2.41 1.3330 4 4 0 4 70.75 1.99 1.3316 1 1 3 4 71.66 3.01 1.3170 -3 9 1 4 72.60 2.75 1.3023 0 10 2 4 72.63 4.48 1.3018 3 7 1 4 72.70 4.06 1.3006 2 11 0 4 72.96 6.48 1.2966 1 3 3 4 73.06 3.19 1.2951 -3 8 2 4 73.10 3.72 1.2945 -2 11 1 4 73.15 2.83 1.2937 4 5 0 4 73.25 1.15 1.2923 -3 4 3 4 73.26 3.31 1.2920 0 6 3 4 73.32 4.71 1.2912 -4 6 1 4 73.83 3.89 1.2835 2 10 1 4 74.03 1.30 1.2806 2 7 2 4 74.33 3.39 1.2761 -1 12 1 4 74.73 3.39 1.2703 -4 5 2 4 75.02 4.26 1.2661 -2 10 2 4 76.07 1.77 1.2513 3 2 2 4 76.40 1.42 1.2466 4 0 1 2 76.67 1.75 1.2429 4 1 1 4 77.41 2.24 1.2328 3 3 2 4 77.53 1.07 1.2312 1 12 1 4 78.24 3.39 1.2219 -1 8 3 4 78.29 1.08 1.2212 0 11 2 4 79.09 1.79 1.2109 1 13 0 4 79.51 1.31 1.2055 -4 0 3 2 79.63 1.92 1.2040 4 7 0 4 80.69 1.43 1.1909 4 4 1 4 81.25 2.07 1.1840 3 9 1 4 82.44 1.22 1.1699 -3 11 1 4 82.60 1.07 1.1680 2 9 2 4 82.76 1.54 1.1662 -1 9 3 4 83.07 1.56 1.1626 4 5 1 4 83.69 1.99 1.1556 1 7 3 4 83.75 1.36 1.1549 -4 4 3 4 84.11 2.71 1.1509 -5 3 1 4 84.18 2.00 1.1501 1 13 1 4 84.51 1.18 1.1464 -2 9 3 4 84.56 1.43 1.1459 -2 0 4 2 85.42 1.31 1.1366 -1 2 4 4 85.50 1.68 1.1358 -5 2 2 4 86.07 2.99 1.1296 -3 8 3 4 86.10 1.61 1.1293 2 4 3 4 86.73 1.96 1.1227 -1 3 4 4 88.08 1.09 1.1090 4 9 0 4 88.16 2.11 1.1082 -1 14 1 4 88.40 1.84 1.1058 5 3 0 4 88.71 3.13 1.1027 0 1 4 4 89.01 1.13 1.0998 -4 6 3 4 89.60 1.30 1.0941 -4 9 2 4 89.64 1.94 1.0937 1 12 2 4 89.66 2.85 1.0935 3 12 0 4 89.98 3.51 1.0904 -1 13 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.