Cerite-(La) Diffraction data computed using the structute from the paper listed below, along with the cell parameters refined from single crystal data of R060708 Pakhomovsky Y A, Men'shikov Y P, Yakovenchuk V N, Ivanyuk G Y, Krivovichev S V, Burns P C The Canadian Mineralogist 40 (2002) 1177-1184 Cerite-(La), (La,Ce,Ca)9(Fe,Ca,Mg)(SiO4)3[SiO3(OH)]4(OH)3, a new mineral from the Khibiny Alkaline Massif: Occurrence and crystal structure Locality: Khibina alkaline massif, Kola Peninsula, Russia CELL PARAMETERS: 10.7358 10.7358 37.8650 90.000 90.000 120.000 SPACE GROUP: R3c ATOM X Y Z OCCUPANCY ISO(B) La 0.25867 0.13428 0.06809 0.470 1.098 Ce 0.25867 0.13428 0.06809 0.290 1.098 Ca 0.25867 0.13428 0.06809 0.150 1.098 Sr 0.25867 0.13428 0.06809 0.040 1.098 Nd 0.25867 0.13428 0.06809 0.020 1.098 Pr 0.25867 0.13428 0.06809 0.010 1.098 La 0.14209 0.26126 0.43210 0.470 1.540 Ce 0.14209 0.26126 0.43210 0.290 1.540 Ca 0.14209 0.26126 0.43210 0.150 1.540 Sr 0.14209 0.26126 0.43210 0.040 1.540 Nd 0.14209 0.26126 0.43210 0.020 1.540 Pr 0.14209 0.26126 0.43210 0.010 1.540 La 0.25878 0.13436 0.17585 0.470 1.476 Ce 0.25878 0.13436 0.17585 0.290 1.476 Ca 0.25878 0.13436 0.17585 0.150 1.476 Sr 0.25878 0.13436 0.17585 0.040 1.476 Nd 0.25878 0.13436 0.17585 0.020 1.476 Pr 0.25878 0.13436 0.17585 0.010 1.476 Si 0.31840 0.14850 0.36239 1.000 1.019 O 0.25620 0.09150 0.32280 1.000 2.606 O 0.27810 0.00260 0.38500 1.000 1.263 O 0.26250 0.25130 0.37840 1.000 1.579 O 0.08170 0.17300 0.02950 1.000 1.319 Si 0.15040 0.32570 0.13689 1.000 1.366 O 0.24480 0.27110 0.11620 1.000 1.895 O -0.01050 0.27010 0.12240 1.000 1.658 O 0.16680 0.07420 0.46640 1.000 1.326 O 0.13750 0.28150 0.17820 1.000 1.674 Fe 0.00000 0.00000 -0.00168 0.320 1.082 Ca 0.00000 0.00000 -0.00168 0.300 1.082 Mg 0.00000 0.00000 -0.00168 0.230 1.082 Si 0.00000 0.00000 0.25200 0.900 0.987 O 0.15970 0.03380 0.24000 1.000 2.369 OH 0.00000 0.00000 0.29610 1.000 0.790 OH 0.00000 0.00000 0.08970 1.000 1.263 OH 0.00000 0.00000 0.16000 1.000 1.658 OH 0.00000 0.00000 0.40900 1.000 2.763 Ca 0.00000 0.00000 0.30920 0.100 0.790 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 0.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 8 +/- 8 +/- 34 MAX. ABS. INTENSITY / VOLUME**2: 39.85534454 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 10.60 18.00 8.3455 0 1 2 13.35 16.04 6.6332 1 0 4 14.03 7.48 6.3108 0 0 6 16.51 14.51 5.3679 1 1 0 17.96 1.24 4.9397 1 1 3 19.66 27.13 4.5146 2 0 2 21.06 20.92 4.2180 0 1 8 21.29 2.15 4.1727 0 2 4 21.74 1.30 4.0888 1 1 6 25.40 22.00 3.5068 1 0 10 25.79 53.21 3.4551 1 2 2 26.88 7.14 3.3166 2 0 8 27.07 39.25 3.2944 2 1 4 28.28 8.39 3.1554 0 0 12 28.81 30.31 3.0992 3 0 0 30.45 100.00 2.9358 0 2 10 31.71 36.07 2.8215 1 2 8 32.18 10.01 2.7818 0 3 6 32.18 21.94 2.7818 3 0 6 32.93 1.80 2.7202 1 1 12 33.38 43.24 2.6839 2 2 0 34.15 1.27 2.6253 2 2 3 34.83 23.18 2.5758 2 1 10 34.87 1.07 2.5727 1 3 1 35.12 7.45 2.5551 3 1 2 36.10 3.62 2.4880 1 3 4 38.51 4.25 2.3378 2 0 14 39.04 1.02 2.3070 0 4 2 39.28 8.18 2.2934 1 0 16 39.81 1.83 2.2644 3 1 8 39.94 3.15 2.2573 4 0 4 40.81 23.98 2.2111 3 0 12 40.81 1.93 2.2111 0 3 12 42.16 2.43 2.1433 1 2 14 42.41 7.86 2.1314 1 3 10 42.45 1.28 2.1296 3 2 1 42.66 8.51 2.1196 2 3 2 42.88 5.23 2.1090 0 2 16 43.00 2.23 2.1036 0 0 18 43.37 7.79 2.0864 0 4 8 43.49 7.76 2.0808 3 2 4 44.31 8.65 2.0444 2 2 12 44.66 1.13 2.0289 4 1 0 45.81 7.20 1.9809 4 0 10 46.25 3.33 1.9629 2 1 16 46.71 40.62 1.9446 2 3 8 47.05 5.64 1.9315 1 4 6 47.05 5.83 1.9315 4 1 6 49.02 8.91 1.8584 3 2 10 49.11 6.14 1.8552 0 1 20 49.24 16.28 1.8506 5 0 2 49.90 1.72 1.8275 4 1 9 49.99 9.43 1.8246 0 5 4 51.04 14.47 1.7893 3 3 0 52.17 21.57 1.7534 2 0 20 52.58 12.56 1.7405 3 0 18 52.58 11.31 1.7405 0 3 18 52.90 8.01 1.7307 5 0 8 53.71 2.38 1.7065 4 1 12 54.20 1.23 1.6924 1 0 22 54.81 3.97 1.6748 2 3 14 55.02 6.58 1.6691 0 5 10 55.22 2.19 1.6634 1 5 2 55.81 4.78 1.6472 4 2 8 57.06 1.76 1.6141 0 2 22 57.85 1.36 1.5938 2 4 10 58.23 12.38 1.5844 3 2 16 58.62 4.62 1.5747 1 5 8 59.38 6.31 1.5565 3 3 12 60.60 4.15 1.5279 5 1 10 60.80 1.48 1.5235 3 4 2 61.45 1.71 1.5090 4 3 4 61.63 1.56 1.5049 0 6 6 62.37 4.02 1.4888 5 2 0 63.36 2.72 1.4679 0 4 20 63.73 3.64 1.4603 1 4 18 63.73 1.48 1.4603 4 1 18 64.01 2.92 1.4545 3 4 8 64.29 4.49 1.4490 5 2 6 64.29 1.40 1.4490 2 5 6 65.90 1.85 1.4174 4 3 10 65.98 6.90 1.4159 2 3 20 66.25 1.13 1.4107 2 4 16 66.50 2.12 1.4060 0 3 24 67.32 1.02 1.3909 0 6 12 67.38 1.43 1.3897 2 0 26 68.81 2.13 1.3644 5 1 16 68.89 1.54 1.3629 3 3 18 69.86 2.63 1.3464 5 2 12 69.92 2.25 1.3454 1 2 26 70.28 1.64 1.3395 3 2 22 70.35 1.50 1.3382 1 0 28 71.16 4.72 1.3250 5 3 2 73.64 5.64 1.2863 2 6 2 74.15 1.75 1.2788 0 7 8 74.15 4.16 1.2788 5 3 8 74.23 2.48 1.2775 6 2 4 75.29 1.16 1.2622 0 0 30 75.30 2.51 1.2621 2 1 28 75.92 7.66 1.2533 3 5 10 75.99 3.65 1.2523 1 5 20 76.33 3.01 1.2476 6 0 18 77.26 1.11 1.2349 4 4 12 77.51 4.76 1.2315 7 1 0 78.34 1.12 1.2205 6 2 10 78.75 4.70 1.2152 2 5 18 78.75 2.45 1.2152 5 2 18 79.73 1.51 1.2027 2 3 26 80.07 1.07 1.1985 5 1 22 82.52 2.53 1.1689 0 3 30 83.45 2.12 1.1583 7 0 16 83.45 1.91 1.1583 3 5 16 84.44 1.44 1.1472 1 7 12 84.44 1.18 1.1472 7 1 12 84.50 2.90 1.1466 5 0 26 84.90 1.49 1.1422 2 2 30 84.91 6.41 1.1421 3 2 28 86.16 2.75 1.1287 8 0 8 89.64 2.67 1.0937 0 5 28 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.