Keiviite-(Yb) Yakubovich O V, Simonov M A, Voloshin A V, Pakhomovsky Y A Soviet Physics Doklady 31 (1986) 930-932 Crystal structure of keivite Yb2[Si2O7] Locality: Kola Peninsula, Russia _database_code_amcsd 0015614 CELL PARAMETERS: 4.7150 8.8700 6.8050 90.000 102.010 90.000 SPACE GROUP: A2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 278.370 Density (g/cm3): 6.057 MAX. ABS. INTENSITY / VOLUME**2: 93.01050998 RIR: 5.000 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.65 36.50 5.3238 0 1 1 4 19.25 80.58 4.6118 1 0 0 2 20.02 26.06 4.4350 0 2 0 2 23.32 11.47 3.8141 -1 1 1 4 26.79 27.24 3.3280 0 0 2 2 27.62 31.30 3.2299 1 1 1 4 27.91 100.00 3.1967 1 2 0 4 29.65 64.67 3.0125 -1 0 2 2 33.15 49.16 2.7021 0 3 1 4 33.67 39.93 2.6619 0 2 2 4 36.04 15.90 2.4920 -1 2 2 4 36.43 20.05 2.4662 1 0 2 2 37.11 21.12 2.4223 -1 3 1 4 39.06 15.72 2.3059 2 0 0 2 39.94 3.90 2.2574 -2 1 1 4 40.08 36.01 2.2500 1 3 1 4 40.69 1.70 2.2175 0 4 0 2 41.92 20.57 2.1553 1 2 2 4 41.98 4.61 2.1524 0 1 3 4 42.62 10.44 2.1214 -1 1 3 4 42.81 17.77 2.1123 -2 0 2 2 44.27 13.21 2.0459 2 2 0 4 47.69 20.26 1.9070 -2 2 2 4 49.77 13.99 1.8321 -2 3 1 4 51.15 2.23 1.7858 -1 4 2 4 51.50 15.58 1.7746 0 3 3 4 51.93 1.23 1.7607 -2 1 3 4 52.05 15.18 1.7571 -1 3 3 4 52.79 11.97 1.7340 2 0 2 2 53.45 15.44 1.7142 0 5 1 4 54.45 20.84 1.6851 2 3 1 4 54.60 5.05 1.6809 -1 0 4 2 55.20 10.92 1.6640 0 0 4 2 56.24 13.93 1.6356 -1 5 1 4 57.03 7.52 1.6149 2 2 2 4 57.67 1.14 1.5983 2 4 0 4 58.43 13.98 1.5794 1 5 1 4 58.74 10.09 1.5718 -1 2 4 4 58.78 9.98 1.5709 1 3 3 4 59.32 6.27 1.5580 0 2 4 4 60.20 5.03 1.5373 3 0 0 2 60.28 10.78 1.5353 -2 3 3 4 60.90 5.57 1.5213 -3 0 2 2 61.57 6.36 1.5063 -2 0 4 2 62.86 4.02 1.4783 0 6 0 2 63.23 4.90 1.4706 1 0 4 2 64.11 4.69 1.4525 3 2 0 4 64.79 5.84 1.4390 -3 2 2 4 64.96 2.06 1.4355 2 1 3 4 65.44 1.97 1.4262 -2 2 4 4 66.00 2.40 1.4155 3 1 1 4 66.16 8.37 1.4124 -2 5 1 4 66.41 1.15 1.4078 1 6 0 4 67.05 5.69 1.3959 1 2 4 4 67.33 1.09 1.3908 -3 1 3 4 67.51 9.74 1.3875 -3 3 1 4 67.61 7.65 1.3855 0 5 3 4 68.08 8.65 1.3772 -1 5 3 4 70.14 4.16 1.3417 2 5 1 4 71.03 3.42 1.3271 -1 6 2 4 72.40 2.41 1.3053 2 3 3 4 72.96 3.32 1.2966 3 0 2 2 73.39 1.75 1.2901 3 3 1 4 73.94 4.01 1.2818 1 5 3 4 74.66 2.51 1.2714 -3 3 3 4 74.86 1.82 1.2683 -3 0 4 2 74.89 1.38 1.2680 1 6 2 4 75.29 4.42 1.2623 -2 5 3 4 76.45 1.20 1.2460 -2 4 4 4 76.53 2.12 1.2448 0 7 1 4 76.55 3.65 1.2445 3 2 2 4 76.55 1.22 1.2445 2 6 0 4 77.39 2.34 1.2331 2 0 4 2 77.41 2.49 1.2329 -1 3 5 4 78.42 4.22 1.2195 -3 2 4 4 78.86 5.17 1.2138 0 3 5 4 78.87 2.49 1.2137 -1 7 1 4 79.06 1.25 1.2112 -2 6 2 4 79.76 1.86 1.2023 1 1 5 4 80.92 2.18 1.1880 2 2 4 4 81.90 3.17 1.1762 -3 5 1 4 82.48 3.01 1.1695 -2 3 5 4 82.63 1.35 1.1677 -4 1 1 4 82.68 2.20 1.1671 -4 0 2 2 83.93 2.32 1.1529 4 0 0 2 85.70 2.31 1.1335 -1 0 6 2 86.16 1.49 1.1287 -4 2 2 4 86.51 1.58 1.1250 2 6 2 4 86.53 5.11 1.1249 2 5 3 4 86.74 2.09 1.1226 1 3 5 4 87.40 2.45 1.1159 4 2 0 4 87.47 5.44 1.1151 3 5 1 4 87.62 1.34 1.1136 -2 7 1 4 88.04 1.37 1.1093 0 0 6 2 88.46 1.75 1.1052 0 6 4 4 88.69 4.21 1.1029 -3 5 3 4 88.95 1.12 1.1003 0 7 3 4 89.17 1.89 1.0982 -1 2 6 4 89.57 1.05 1.0943 -4 -3 1 4 89.77 1.83 1.0924 -2 0 6 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.