Ferrocerite-(La) 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 _database_code_amcsd 0005786 CELL PARAMETERS: 10.7493 10.7493 38.3180 90.000 90.000 120.000 SPACE GROUP: R3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 3834.368 Density (g/cm3): 4.694 MAX. ABS. INTENSITY / VOLUME**2: 39.57139540 RIR: 2.745 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.57 17.75 8.3731 0 1 2 3 13.26 15.93 6.6761 1 0 4 3 13.87 7.51 6.3863 0 0 6 1 16.49 14.24 5.3747 1 1 0 6 17.91 1.22 4.9539 1 1 3 6 19.63 26.66 4.5230 2 0 2 3 20.86 20.95 4.2591 0 1 8 3 21.22 2.12 4.1865 0 2 4 3 21.61 1.29 4.1122 1 1 6 6 25.13 22.13 3.5434 1 0 10 3 25.74 52.29 3.4607 1 2 2 6 26.71 7.10 3.3381 2 0 8 3 27.00 38.68 3.3028 2 1 4 6 27.94 8.47 3.1932 0 0 12 1 28.77 29.77 3.1031 3 0 0 3 30.21 100.00 2.9583 0 2 10 3 31.55 35.81 2.8357 1 2 8 6 32.07 9.89 2.7910 0 3 6 3 32.07 21.67 2.7910 3 0 6 3 32.62 1.82 2.7452 1 1 12 6 33.34 42.47 2.6873 2 2 0 6 34.09 1.25 2.6298 2 2 3 6 34.61 23.10 2.5917 2 1 10 6 34.83 1.06 2.5761 1 3 1 6 35.07 7.32 2.5588 3 1 2 6 36.03 3.57 2.4929 1 3 4 6 38.14 4.29 2.3593 2 0 14 3 38.83 8.30 2.3194 1 0 16 3 39.66 1.81 2.2727 3 1 8 6 39.86 3.11 2.2615 4 0 4 3 40.54 23.99 2.2254 3 0 12 3 40.54 1.93 2.2254 0 3 12 3 41.81 2.45 2.1603 1 2 14 6 42.21 7.82 2.1412 1 3 10 6 42.39 1.26 2.1324 3 2 1 6 42.45 5.30 2.1295 0 2 16 3 42.46 2.27 2.1288 0 0 18 1 42.59 8.36 2.1225 2 3 2 6 43.22 7.72 2.0933 0 4 8 3 43.41 7.65 2.0845 3 2 4 6 44.04 8.65 2.0561 2 2 12 6 44.60 1.11 2.0314 4 1 0 6 45.61 7.15 1.9891 4 0 10 3 45.83 3.36 1.9798 2 1 16 6 46.56 40.20 1.9506 2 3 8 6 46.94 5.57 1.9359 1 4 6 6 46.94 5.75 1.9359 4 1 6 6 48.51 6.27 1.8766 0 1 20 3 48.82 8.84 1.8655 3 2 10 6 49.17 16.01 1.8531 5 0 2 3 49.73 1.70 1.8334 4 1 9 6 49.90 9.29 1.8276 0 5 4 3 50.97 14.23 1.7916 3 3 0 6 51.59 21.96 1.7717 2 0 20 3 52.10 12.70 1.7554 3 0 18 3 52.10 11.41 1.7554 0 3 18 3 52.75 7.92 1.7353 5 0 8 3 53.46 2.36 1.7140 4 1 12 6 53.53 1.25 1.7120 1 0 22 3 54.50 3.96 1.6837 2 3 14 6 54.82 6.51 1.6746 0 5 10 3 55.14 2.16 1.6656 1 5 2 6 55.66 4.73 1.6514 4 2 8 6 56.41 1.80 1.6313 0 2 22 3 57.66 1.35 1.5988 2 4 10 6 57.85 12.39 1.5939 3 2 16 6 58.47 4.56 1.5786 1 5 8 6 59.13 6.27 1.5624 3 3 12 6 60.41 4.11 1.5324 5 1 10 6 60.71 1.46 1.5256 3 4 2 6 61.34 1.68 1.5113 4 3 4 6 61.50 1.53 1.5077 0 6 6 3 62.28 3.95 1.4907 5 2 0 6 62.82 2.74 1.4792 0 4 20 3 63.28 1.48 1.4696 4 1 18 6 63.28 3.65 1.4696 1 4 18 6 63.85 2.89 1.4578 3 4 8 6 64.16 1.38 1.4516 2 5 6 6 64.16 4.42 1.4516 5 2 6 6 65.44 6.95 1.4261 2 3 20 6 65.70 1.82 1.4213 4 3 10 6 65.78 2.17 1.4197 0 3 24 3 65.88 1.13 1.4178 2 4 16 6 66.55 1.46 1.4050 2 0 26 3 67.07 1.01 1.3955 0 6 12 3 68.43 2.13 1.3709 5 1 16 6 68.45 1.54 1.3707 3 3 18 6 69.10 2.30 1.3593 1 2 26 6 69.41 1.54 1.3539 1 0 28 3 69.60 2.61 1.3507 5 2 12 6 69.66 1.65 1.3498 3 2 22 6 71.05 4.65 1.3267 5 3 2 6 73.53 5.54 1.2880 2 6 2 6 73.97 1.72 1.2814 0 7 8 3 73.97 4.11 1.2814 5 3 8 6 74.11 2.44 1.2794 6 2 4 6 74.25 1.19 1.2773 0 0 30 1 74.38 2.56 1.2754 2 1 28 6 75.46 3.67 1.2597 1 5 20 6 75.70 7.57 1.2564 3 5 10 6 75.88 3.00 1.2538 6 0 18 3 76.99 1.10 1.2385 4 4 12 6 77.40 4.68 1.2330 7 1 0 6 78.12 1.11 1.2234 6 2 10 6 78.30 2.44 1.2211 5 2 18 6 78.30 4.69 1.2211 2 5 18 6 78.92 1.53 1.2130 2 3 26 6 79.46 1.08 1.2062 5 1 22 6 81.49 2.58 1.1811 0 3 30 3 83.07 1.90 1.1626 3 5 16 6 83.07 2.10 1.1626 7 0 16 3 83.69 2.92 1.1556 5 0 26 3 83.87 1.51 1.1536 2 2 30 6 83.99 6.48 1.1522 3 2 28 6 84.17 1.42 1.1503 1 7 12 6 84.17 1.17 1.1503 7 1 12 6 85.96 2.71 1.1308 8 0 8 3 88.72 2.69 1.1027 0 5 28 3 89.47 1.14 1.0953 0 2 34 3 89.77 4.39 1.0925 5 3 20 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.