Keiviite-(Yb) Smolin Y I, Shepelev Y F Acta Crystallographica B26 (1970) 484-492 The crystal structures of the rare earth pyrosilicates Locality: synthetic _database_code_amcsd 0009370 CELL PARAMETERS: 6.8020 8.8750 4.7030 90.000 102.120 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 277.581 Density (g/cm3): 6.152 MAX. ABS. INTENSITY / VOLUME**2: 96.97158444 RIR: 5.133 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.66 37.58 5.3220 1 1 0 4 19.30 81.15 4.5982 0 0 1 2 20.01 26.41 4.4375 0 2 0 2 23.34 11.64 3.8105 -1 1 1 4 26.81 28.06 3.3252 2 0 0 2 27.69 31.58 3.2219 1 1 1 4 27.94 100.00 3.1931 0 2 1 4 29.67 64.87 3.0114 -2 0 1 2 33.14 50.65 2.7030 1 3 0 4 33.68 40.15 2.6610 2 2 0 4 36.04 16.31 2.4918 -2 2 1 4 36.52 20.55 2.4603 2 0 1 2 37.12 22.13 2.4222 -1 3 1 4 39.18 16.08 2.2991 0 0 2 2 40.02 4.01 2.2529 -1 1 2 4 40.11 37.22 2.2479 1 3 1 4 40.66 1.62 2.2188 0 4 0 2 41.99 21.03 2.1517 2 2 1 4 42.01 4.81 2.1507 3 1 0 4 42.63 10.90 2.1210 -3 1 1 4 42.87 18.24 2.1096 -2 0 2 2 44.38 13.53 2.0414 0 2 2 4 47.74 20.93 1.9053 -2 2 2 4 49.83 14.66 1.8300 -1 3 2 4 51.14 2.21 1.7863 -2 4 1 4 51.52 16.25 1.7740 3 3 0 4 51.97 1.29 1.7596 -3 1 2 4 52.04 16.02 1.7572 -3 3 1 4 52.96 12.46 1.7289 2 0 2 2 53.43 16.22 1.7150 1 5 0 4 54.56 21.86 1.6819 1 3 2 4 54.62 5.45 1.6804 -4 0 1 2 55.25 11.54 1.6626 4 0 0 2 56.22 14.66 1.6361 -1 5 1 4 57.18 7.86 1.6109 2 2 2 4 57.75 1.14 1.5965 0 4 2 4 58.45 14.74 1.5791 1 5 1 4 58.75 10.56 1.5715 -4 2 1 4 58.86 10.58 1.5689 3 3 1 4 59.36 6.59 1.5569 4 2 0 4 59.93 1.09 1.5434 -1 1 3 4 60.31 11.71 1.5347 -3 3 2 4 60.39 5.30 1.5327 0 0 3 2 61.02 5.95 1.5184 -2 0 3 2 61.60 6.71 1.5057 -4 0 2 2 62.82 4.40 1.4792 0 6 0 2 63.35 5.15 1.4681 4 0 1 2 64.30 4.93 1.4487 0 2 3 4 64.91 6.19 1.4367 -2 2 3 4 65.15 2.19 1.4318 3 1 2 4 65.46 2.12 1.4258 -4 2 2 4 66.19 8.95 1.4118 -1 5 2 4 66.23 2.55 1.4112 1 1 3 4 66.39 1.31 1.4081 0 6 1 4 67.16 6.10 1.3938 4 2 1 4 67.42 1.18 1.3891 -3 1 3 4 67.61 8.23 1.3856 3 5 0 4 67.65 10.46 1.3850 -1 3 3 4 68.06 9.33 1.3775 -3 5 1 4 70.22 4.47 1.3403 1 5 2 4 70.99 3.80 1.3277 -2 6 1 4 72.57 2.65 1.3026 3 3 2 4 73.23 3.59 1.2926 2 0 3 2 73.60 1.91 1.2870 1 3 3 4 74.00 4.35 1.2810 3 5 1 4 74.74 2.74 1.2702 -3 3 3 4 74.91 1.57 1.2677 2 6 1 4 74.94 1.96 1.2673 -4 0 3 2 75.29 4.78 1.2622 -3 5 2 4 75.44 1.00 1.2601 -5 1 2 4 76.45 1.27 1.2459 -4 4 2 4 76.49 2.24 1.2454 1 7 0 4 76.59 1.40 1.2440 0 6 2 4 76.81 3.95 1.2410 2 2 3 4 77.43 2.70 1.2326 -5 3 1 4 77.61 2.53 1.2302 4 0 2 2 78.49 4.62 1.2186 -4 2 3 4 78.83 2.69 1.2142 -1 7 1 4 78.91 5.77 1.2131 5 3 0 4 79.07 1.44 1.2111 -2 6 2 4 79.91 2.06 1.2005 5 1 1 4 81.13 2.36 1.1855 4 2 2 4 82.02 3.51 1.1749 -1 5 3 4 82.49 3.33 1.1693 -5 3 2 4 82.89 1.51 1.1647 -1 1 4 4 82.90 2.44 1.1646 -2 0 4 2 84.23 2.56 1.1495 0 0 4 2 85.74 2.58 1.1331 -6 0 1 2 86.38 1.63 1.1264 -2 2 4 4 86.61 1.85 1.1239 2 6 2 4 86.67 5.68 1.1233 3 5 2 4 86.88 2.39 1.1212 5 3 1 4 87.62 1.46 1.1136 -1 7 2 4 87.65 6.08 1.1133 1 5 3 4 87.70 2.73 1.1128 0 2 4 4 88.14 1.50 1.1084 6 0 0 2 88.47 2.05 1.1051 4 6 0 4 88.75 4.73 1.1023 -3 5 3 4 88.93 1.21 1.1006 3 7 0 4 89.21 1.04 1.0979 -6 -2 1 4 89.80 2.10 1.0921 -6 0 2 2 89.82 2.41 1.0919 -1 3 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.