Ikranite Rastsvetaeva R K, Chukanov N V Crystallography Reports 48 (2003) 717-720 Ikranite: composition and structure of a new mineral of the eudialyte group Locality: Mount Karnasurt, Lovozero alkaline massif, Kola Peninsula, Russia _database_code_amcsd 0012386 CELL PARAMETERS: 14.1670 14.1670 30.0810 90.000 90.000 120.000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 5228.519 Density (g/cm3): 2.844 MAX. ABS. INTENSITY / VOLUME**2: 7.539020938 RIR: 0.863 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.78 27.67 11.3604 1 0 1 3 8.82 5.12 10.0270 0 0 3 1 9.30 5.59 9.5071 0 1 2 3 12.50 78.00 7.0835 1 1 0 6 13.81 25.01 6.4116 1 0 4 3 14.74 8.34 6.0108 0 2 1 3 15.60 45.94 5.6802 2 0 2 3 16.41 11.22 5.4017 0 1 5 3 17.69 1.69 5.0135 0 0 6 1 18.67 7.88 4.7535 0 2 4 3 20.04 1.68 4.4314 1 2 2 6 20.68 52.34 4.2953 2 0 5 3 21.72 19.79 4.0922 1 1 6 6 21.73 9.37 4.0897 3 0 0 3 21.92 2.29 4.0557 1 0 7 3 22.53 16.96 3.9471 2 1 4 6 23.49 4.47 3.7868 0 3 3 3 23.49 24.04 3.7868 3 0 3 3 24.23 7.49 3.6728 1 2 5 6 24.77 11.57 3.5951 0 1 8 3 25.14 17.76 3.5417 2 2 0 6 25.30 26.46 3.5196 0 2 7 3 26.36 24.49 3.3812 1 3 1 6 26.67 5.31 3.3423 0 0 9 1 26.69 13.79 3.3395 2 2 3 6 26.86 4.00 3.3189 3 1 2 6 27.83 23.98 3.2058 2 0 8 3 28.16 6.27 3.1690 0 3 6 3 28.16 3.06 3.1690 3 0 6 3 28.31 19.86 3.1520 2 1 7 6 28.80 3.14 3.1002 1 3 4 6 29.55 13.78 3.0227 1 1 9 6 29.73 6.33 3.0054 0 4 2 3 30.17 76.57 2.9619 3 1 5 6 30.61 6.24 2.9206 1 2 8 6 30.91 11.77 2.8927 2 2 6 6 31.50 100.00 2.8401 4 0 4 3 32.36 1.74 2.7667 2 3 2 6 32.77 1.11 2.7326 0 4 5 3 33.17 10.94 2.7009 0 2 10 3 33.47 6.38 2.6773 4 1 0 6 33.59 15.87 2.6677 1 3 7 6 34.01 11.66 2.6361 3 2 4 6 34.66 20.35 2.5880 0 3 9 3 34.66 3.40 2.5880 3 0 9 3 35.57 4.20 2.5236 2 1 10 6 35.58 2.03 2.5230 3 1 8 6 35.82 8.00 2.5067 0 0 12 1 36.75 6.44 2.4457 0 5 1 3 36.98 4.12 2.4308 2 2 9 6 37.85 10.28 2.3768 0 4 8 3 38.10 3.76 2.3617 1 4 6 6 38.11 2.98 2.3612 3 3 0 6 38.21 1.28 2.3556 1 2 11 6 38.22 1.41 2.3546 3 2 7 6 38.96 11.76 2.3118 2 4 1 6 39.32 2.38 2.2916 4 2 2 6 39.64 1.72 2.2738 1 0 13 3 40.01 1.57 2.2537 1 3 10 6 40.01 3.12 2.2533 2 3 8 6 41.07 2.02 2.1977 5 1 1 6 41.41 7.07 2.1803 1 5 2 6 41.75 5.75 2.1635 4 2 5 6 42.07 18.35 2.1477 4 0 10 3 42.31 1.18 2.1361 3 3 6 6 42.40 5.56 2.1316 3 1 11 6 42.42 3.12 2.1309 0 5 7 3 42.72 4.40 2.1164 0 1 14 3 42.76 4.35 2.1147 5 1 4 6 43.30 2.13 2.0896 1 4 9 6 44.06 4.67 2.0553 3 2 10 6 44.27 3.04 2.0461 2 2 12 6 44.40 1.39 2.0405 2 4 7 6 45.05 3.77 2.0125 4 3 1 6 45.26 3.08 2.0036 0 6 3 3 45.99 11.19 1.9736 4 2 8 6 46.29 1.71 1.9614 2 3 11 6 46.62 2.66 1.9482 4 3 4 6 47.10 1.40 1.9296 1 1 15 6 47.13 2.05 1.9285 3 3 9 6 47.14 1.45 1.9280 2 5 3 6 47.52 2.16 1.9134 1 3 13 6 47.55 1.38 1.9124 3 4 5 6 48.05 2.64 1.8934 0 6 6 3 48.05 4.48 1.8934 6 0 6 3 48.77 4.34 1.8674 1 6 1 6 49.07 2.38 1.8567 6 1 2 6 49.64 3.15 1.8364 2 4 10 6 49.83 1.88 1.8299 1 4 12 6 49.83 3.33 1.8299 4 1 12 6 49.85 4.94 1.8292 2 5 6 6 49.85 1.28 1.8292 5 2 6 6 49.95 2.41 1.8259 4 3 7 6 50.25 1.39 1.8157 1 6 4 6 51.13 1.14 1.7866 6 1 5 6 51.40 6.54 1.7776 5 1 10 6 51.61 19.33 1.7709 4 4 0 6 51.69 7.32 1.7685 4 2 11 6 51.96 9.76 1.7598 0 4 14 3 52.28 4.28 1.7497 3 5 1 6 52.43 5.07 1.7451 2 2 15 6 52.46 1.20 1.7443 6 0 9 3 53.67 3.95 1.7079 2 3 14 6 53.98 2.39 1.6987 6 2 1 6 54.26 4.85 1.6906 2 6 2 6 54.53 2.81 1.6828 0 7 5 3 54.94 1.24 1.6712 0 0 18 1 54.99 10.31 1.6698 4 4 6 6 55.87 1.72 1.6456 1 3 16 6 56.16 4.22 1.6378 2 4 13 6 56.18 5.45 1.6372 2 6 5 6 56.58 2.78 1.6265 1 1 18 6 57.41 1.13 1.6051 4 1 15 6 57.45 1.76 1.6041 1 7 3 6 57.49 8.70 1.6029 4 0 16 3 58.06 3.55 1.5888 1 6 10 6 58.33 4.13 1.5819 6 2 7 6 58.57 1.59 1.5760 4 2 14 6 58.82 1.12 1.5699 3 1 17 6 59.09 5.88 1.5634 3 2 16 6 59.81 2.03 1.5463 5 2 12 6 59.83 2.33 1.5457 6 3 0 6 60.15 4.23 1.5384 1 5 14 6 60.18 2.20 1.5377 5 4 4 6 60.70 2.94 1.5257 8 0 2 3 60.93 3.00 1.5204 4 3 13 6 61.73 1.45 1.5027 0 8 4 3 62.21 2.10 1.4924 0 5 16 3 62.25 1.31 1.4915 7 2 2 6 62.74 1.74 1.4809 6 2 10 6 62.92 1.31 1.4771 6 3 6 6 62.99 3.31 1.4756 5 3 11 6 62.99 1.14 1.4756 0 7 11 3 63.23 1.32 1.4706 3 4 14 6 63.73 2.37 1.4603 2 4 16 6 64.42 2.27 1.4464 4 4 12 6 65.15 1.34 1.4318 6 0 15 3 65.15 1.16 1.4318 0 6 15 3 65.21 1.56 1.4307 1 2 20 6 65.76 2.57 1.4200 8 0 8 3 65.94 1.66 1.4167 5 5 0 6 66.51 1.92 1.4058 4 6 1 6 66.64 1.83 1.4034 2 5 15 6 66.76 1.75 1.4012 6 4 2 6 67.00 3.41 1.3967 1 8 5 6 67.98 1.03 1.3789 7 3 1 6 68.70 4.59 1.3663 0 8 10 3 68.87 8.02 1.3633 5 5 6 6 69.54 3.23 1.3519 0 3 21 3 69.62 4.17 1.3504 0 4 20 3 70.15 1.36 1.3416 2 7 10 6 70.32 2.54 1.3387 8 2 0 6 70.40 2.26 1.3375 4 6 7 6 70.61 1.02 1.3339 2 6 14 6 70.98 1.41 1.3279 2 2 21 6 71.04 2.76 1.3269 8 2 3 6 73.13 1.81 1.2940 0 6 18 3 73.97 1.80 1.2815 9 1 2 6 75.30 1.98 1.2621 4 7 3 6 75.91 1.08 1.2534 0 0 24 1 78.73 1.88 1.2154 4 4 18 6 79.77 1.66 1.2022 0 10 5 3 80.15 1.06 1.1975 1 0 25 3 81.37 1.78 1.1826 1 9 10 6 81.52 1.18 1.1807 0 2 25 3 83.39 1.10 1.1590 6 2 19 6 85.47 1.10 1.1360 10 0 10 3 85.69 1.07 1.1336 8 3 11 6 86.83 1.22 1.1217 9 2 10 6 87.64 2.68 1.1134 8 2 15 6 87.64 1.17 1.1134 2 8 15 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.