Tornebohmite-(Ce) Shen J, Moore P B American Mineralogist 67 (1982) 1021-1028 Tornebohmite, RE2Al(OH)[SiO4]2: Crystal structure and genealogy of RE(III)Si(IV) <---> Ca(II)P(V) isomorphisms _database_code_amcsd 0000881 CELL PARAMETERS: 7.3830 5.6730 16.9370 90.000 112.040 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 657.545 Density (g/cm3): 5.125 MAX. ABS. INTENSITY / VOLUME**2: 49.07097452 RIR: 3.118 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.27 22.97 7.8496 0 0 2 2 12.94 4.77 6.8435 1 0 0 2 19.30 49.20 4.5979 0 1 2 4 19.75 1.72 4.4948 -1 1 1 4 20.16 9.86 4.4043 1 0 2 2 20.33 1.84 4.3675 1 1 0 4 20.77 8.93 4.2764 -1 1 2 4 21.46 5.91 4.1406 -1 0 4 2 22.66 5.02 3.9248 0 0 4 2 23.12 2.24 3.8465 0 1 3 4 23.19 2.80 3.8353 -1 1 3 4 24.16 6.56 3.6836 -2 0 2 2 25.61 38.15 3.4789 1 1 2 4 26.04 7.48 3.4217 2 0 0 2 26.65 8.85 3.3445 -1 1 4 4 27.41 7.28 3.2540 -2 0 4 2 27.64 8.83 3.2277 0 1 4 4 28.90 100.00 3.0895 -2 1 2 4 30.20 9.24 2.9590 1 0 4 2 31.54 37.56 2.8365 0 2 0 2 31.70 40.58 2.8228 -1 0 6 2 31.70 23.33 2.8226 -2 1 4 4 32.22 4.99 2.7780 2 0 2 2 33.59 10.31 2.6677 0 2 2 4 33.86 1.36 2.6471 -1 2 1 4 34.18 59.32 2.6236 1 1 4 4 34.22 5.10 2.6203 1 2 0 4 34.49 2.89 2.6003 -1 2 2 4 35.52 4.23 2.5272 -1 1 6 4 35.54 2.41 2.5263 1 2 1 4 36.00 11.54 2.4949 2 1 2 4 38.04 4.00 2.3654 -2 1 6 4 38.47 5.99 2.3401 -1 2 4 4 39.50 8.55 2.2812 3 0 0 2 40.01 1.26 2.2537 -3 1 3 4 40.08 3.90 2.2498 -3 1 2 4 40.98 1.58 2.2021 2 0 4 2 41.31 11.95 2.1857 1 0 6 2 41.35 30.83 2.1837 2 2 0 4 41.60 1.43 2.1711 -1 2 5 4 41.63 8.20 2.1693 -3 0 6 2 42.27 7.54 2.1382 -2 2 4 4 42.72 1.17 2.1165 3 1 0 4 42.97 2.51 2.1048 0 2 5 4 43.17 2.78 2.0955 2 2 1 4 43.72 1.76 2.0703 -2 0 8 2 44.23 2.56 2.0476 1 2 4 4 44.73 2.27 2.0262 -3 1 6 4 45.32 31.58 2.0008 -1 2 6 4 45.37 7.05 1.9987 3 0 2 2 45.94 16.65 1.9756 -1 1 8 4 46.26 1.38 1.9624 0 0 8 2 47.41 4.45 1.9176 -2 2 6 4 48.28 6.95 1.8852 3 1 2 4 49.12 4.21 1.8546 0 1 8 4 49.13 1.60 1.8545 -3 2 2 4 49.49 10.05 1.8418 -4 0 4 2 49.59 4.38 1.8384 0 3 2 4 49.78 1.67 1.8316 -1 3 1 4 51.02 1.13 1.7902 1 3 1 4 51.30 19.92 1.7810 -3 1 8 4 51.30 4.05 1.7809 2 0 6 2 51.38 2.35 1.7784 0 3 3 4 51.40 3.97 1.7776 3 2 0 4 51.41 3.11 1.7773 -1 3 3 4 51.71 6.78 1.7676 -4 0 6 2 52.22 2.53 1.7518 -4 1 4 4 52.68 5.06 1.7376 1 3 2 4 52.83 6.37 1.7328 -4 1 2 4 52.88 7.59 1.7313 1 2 6 4 53.15 4.69 1.7231 -3 2 6 4 53.56 3.54 1.7109 4 0 0 2 53.81 1.44 1.7036 0 3 4 4 54.22 1.74 1.6917 -1 2 8 4 54.36 1.05 1.6876 -4 1 6 4 54.55 11.10 1.6823 -2 3 2 4 55.76 4.99 1.6485 1 1 8 4 56.09 4.03 1.6396 3 1 4 4 56.27 3.51 1.6350 -2 3 4 4 56.31 11.81 1.6339 3 2 2 4 57.42 1.54 1.6048 -1 1 10 4 57.42 3.37 1.6047 -3 0 10 2 57.87 9.64 1.5934 1 3 4 4 58.82 2.52 1.5699 0 0 10 2 59.07 1.27 1.5639 -4 1 8 4 59.88 8.30 1.5447 -4 2 4 4 59.90 3.72 1.5441 -3 1 10 4 61.26 4.00 1.5131 0 1 10 4 61.48 1.75 1.5083 2 2 6 4 61.78 1.36 1.5016 2 3 3 4 61.85 3.16 1.5002 -4 2 6 4 61.93 1.48 1.4983 -3 3 3 4 62.81 1.40 1.4795 2 0 8 2 63.35 2.17 1.4681 3 0 6 2 63.45 1.99 1.4661 3 2 4 4 64.24 1.22 1.4499 -2 2 10 4 64.68 4.22 1.4411 -1 2 10 4 65.16 3.31 1.4316 2 1 8 4 65.85 6.40 1.4182 0 4 0 2 66.22 4.08 1.4114 -2 0 12 2 66.42 2.63 1.4075 -1 3 8 4 66.90 5.75 1.3986 -5 1 2 4 68.25 1.04 1.3742 1 4 1 4 68.28 1.49 1.3736 3 3 2 4 68.28 1.60 1.3736 0 2 10 4 68.51 1.45 1.3696 -2 1 12 4 68.56 1.12 1.3687 5 0 0 2 69.39 1.74 1.3544 -5 1 8 4 69.70 2.10 1.3491 4 1 4 4 70.18 1.54 1.3411 -3 1 12 4 70.74 6.39 1.3317 -3 3 8 4 70.82 2.51 1.3305 5 1 0 4 71.99 4.43 1.3118 2 2 8 4 72.02 1.97 1.3112 -4 3 2 4 72.21 1.39 1.3083 0 0 12 2 72.50 2.62 1.3038 3 2 6 4 72.64 1.87 1.3016 -5 0 10 2 73.23 1.25 1.2925 0 4 5 4 73.37 1.39 1.2904 2 4 1 4 74.14 1.01 1.2789 1 4 4 4 74.51 2.03 1.2735 1 3 8 4 74.74 1.51 1.2701 5 0 2 2 74.79 1.25 1.2694 3 3 4 4 74.94 4.57 1.2673 -1 4 6 4 75.19 3.40 1.2636 -2 2 12 4 76.92 1.05 1.2394 5 1 2 4 77.42 2.33 1.2327 5 2 0 4 77.69 1.50 1.2291 2 1 10 4 78.11 1.38 1.2235 -3 3 10 4 79.32 1.69 1.2079 0 3 10 4 79.36 1.03 1.2074 -3 4 5 4 79.59 1.80 1.2044 3 4 0 4 79.94 2.82 1.2001 -6 1 6 4 80.26 1.02 1.1961 -5 0 12 2 80.78 1.22 1.1897 1 4 6 4 80.92 2.60 1.1880 0 2 12 4 81.34 5.33 1.1830 -5 2 10 4 81.44 2.29 1.1817 -2 1 14 4 81.99 3.72 1.1752 -6 1 8 4 82.40 1.20 1.1704 -5 1 12 4 82.84 1.58 1.1652 2 3 8 4 83.60 1.26 1.1567 3 4 2 4 84.12 1.10 1.1508 2 2 10 4 84.44 2.24 1.1472 -5 3 2 4 85.10 1.11 1.1400 5 1 4 4 85.60 3.27 1.1346 -4 1 14 4 85.80 2.18 1.1325 4 2 6 4 86.64 2.46 1.1237 -4 4 4 4 88.10 1.13 1.1087 5 3 0 4 88.12 1.16 1.1086 -1 5 3 4 88.36 1.74 1.1062 -4 4 6 4 88.77 1.40 1.1022 -5 2 12 4 88.98 3.04 1.1001 0 1 14 4 89.73 1.27 1.0928 2 0 12 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.