Hellandite-(Ce)
Oberti R, Ottolini L, Camara F, Della Ventura G
American Mineralogist 84 (1999) 913-921
Crystal structure of non-metamict Th-rich hellandite-(Ce) from Latium (Italy)
and crystal chemistry of the hellandite-group minerals
_database_code_amcsd 0002237
CELL PARAMETERS: 19.0680 4.7450 10.2890 90.000 111.180 90.000
SPACE GROUP: P2/a
X-RAY WAVELENGTH: 1.541838
Cell Volume: 868.041
Density (g/cm3): 4.150
MAX. ABS. INTENSITY / VOLUME**2: 10.75685227
RIR: 0.844
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.22 12.98 9.5940 0 0 1 2
10.85 8.15 8.1527 -2 0 1 2
15.85 1.52 5.5911 2 0 1 2
18.50 6.02 4.7970 0 0 2 2
18.70 85.06 4.7450 0 1 0 2
18.73 3.24 4.7387 -4 0 1 2
19.98 10.32 4.4450 4 0 0 2
20.68 1.30 4.2951 -1 1 1 4
20.89 6.47 4.2532 0 1 1 4
21.22 3.52 4.1860 2 1 0 4
21.67 1.20 4.1010 -2 1 1 4
23.71 1.53 3.7519 -3 1 1 4
24.05 7.93 3.6998 2 0 2 2
24.61 3.09 3.6178 2 1 1 4
24.94 10.31 3.5709 4 0 1 2
25.60 2.11 3.4802 -1 1 2 4
25.76 29.10 3.4590 -2 1 2 4
26.42 15.18 3.3735 0 1 2 4
26.88 1.28 3.3163 -3 1 2 4
27.50 86.93 3.2440 4 1 0 4
27.87 33.37 3.2016 -4 0 3 2
27.90 25.15 3.1980 0 0 3 2
28.12 25.73 3.1730 -6 0 1 2
28.88 36.51 3.0920 -4 1 2 4
29.14 3.16 3.0642 -6 0 2 2
30.64 100.00 2.9177 2 1 2 4
31.35 65.95 2.8532 4 1 1 4
31.44 2.68 2.8456 5 1 0 4
32.20 6.30 2.7796 -2 1 3 4
32.96 1.11 2.7176 -6 0 3 2
33.02 4.71 2.7131 2 0 3 2
33.77 95.19 2.6540 -4 1 3 4
33.80 88.02 2.6519 0 1 3 4
33.99 93.64 2.6376 -6 1 1 4
34.76 4.04 2.5806 6 0 1 2
34.85 18.76 2.5741 -6 1 2 4
35.05 4.56 2.5600 -2 0 4 2
35.53 2.87 2.5265 -4 0 4 2
35.72 6.99 2.5134 6 1 0 4
37.50 10.43 2.3985 0 0 4 2
37.92 23.05 2.3725 0 2 0 2
37.98 15.83 2.3694 -8 0 2 2
38.12 1.82 2.3608 -8 0 1 2
38.16 1.60 2.3582 -6 1 3 4
38.21 2.33 2.3553 2 1 3 4
38.84 14.77 2.3184 -6 0 4 2
39.00 7.67 2.3097 -1 2 1 4
39.76 7.55 2.2670 6 1 1 4
39.90 12.59 2.2595 -3 1 4 4
39.90 3.40 2.2592 1 2 1 4
40.25 1.10 2.2404 4 0 3 2
40.27 13.83 2.2393 7 1 0 4
40.59 3.89 2.2225 8 0 0 2
40.78 1.36 2.2125 -3 2 1 4
40.98 2.22 2.2026 3 2 0 4
41.19 20.41 2.1918 6 0 2 2
41.19 16.11 2.1914 -7 1 3 4
41.25 16.76 2.1885 3 1 3 4
41.64 2.99 2.1688 -5 1 4 4
42.22 4.37 2.1406 0 1 4 4
42.43 3.89 2.1302 2 0 4 2
42.65 5.55 2.1198 -8 1 2 4
42.78 1.66 2.1136 -8 1 1 4
43.23 2.59 2.0930 4 2 0 4
43.44 7.67 2.0831 -6 1 4 4
44.17 1.45 2.0505 -4 2 2 4
44.37 1.30 2.0415 7 1 1 4
44.67 1.23 2.0287 -8 1 3 4
44.73 1.68 2.0259 4 1 3 4
45.41 5.46 1.9971 2 2 2 4
45.59 12.45 1.9897 6 1 2 4
45.92 18.57 1.9761 4 2 1 4
45.99 1.84 1.9736 5 2 0 4
46.55 1.54 1.9512 -2 2 3 4
46.74 2.71 1.9434 2 1 4 4
47.54 1.10 1.9126 -9 1 1 4
47.71 40.68 1.9062 -4 2 3 4
47.73 34.54 1.9054 0 2 3 4
47.87 38.09 1.9001 -6 2 1 4
48.52 1.50 1.8763 -9 1 3 4
48.59 1.15 1.8738 5 1 3 4
48.59 3.80 1.8737 -10 0 1 2
48.79 3.18 1.8666 -10 0 3 2
48.87 4.12 1.8637 6 0 3 2
49.26 5.18 1.8499 4 0 4 2
49.78 1.42 1.8318 -1 1 5 4
50.36 8.19 1.8119 -8 0 5 2
51.11 1.38 1.7872 -6 2 3 4
51.14 3.17 1.7860 2 2 3 4
51.16 11.49 1.7855 8 0 2 2
51.39 10.63 1.7780 10 0 0 2
51.67 1.12 1.7692 -10 1 2 4
51.77 11.59 1.7658 -10 0 4 2
51.95 1.33 1.7602 -7 1 5 4
52.28 12.46 1.7498 2 0 5 2
52.39 5.20 1.7466 6 2 1 4
52.51 2.46 1.7428 -10 1 1 4
52.59 2.47 1.7401 -2 2 4 4
52.70 1.29 1.7370 -10 1 3 4
52.77 1.17 1.7347 6 1 3 4
52.94 2.36 1.7295 -4 2 4 4
53.14 10.85 1.7235 4 1 4 4
53.43 19.19 1.7148 -4 0 6 2
54.19 4.94 1.6927 -8 1 5 4
54.39 7.36 1.6867 0 2 4 4
54.75 12.55 1.6765 -8 2 2 4
54.86 2.26 1.6735 -8 2 1 4
54.95 4.17 1.6711 8 1 2 4
55.17 16.97 1.6649 10 1 0 4
55.41 16.14 1.6582 -6 2 4 4
55.53 22.58 1.6549 -10 1 4 4
56.02 11.98 1.6417 2 1 5 4
56.06 1.23 1.6405 1 2 4 4
56.43 1.98 1.6305 -10 0 5 2
56.49 1.85 1.6289 4 2 3 4
56.76 7.36 1.6220 8 2 0 4
57.11 33.39 1.6127 -4 1 6 4
57.22 21.93 1.6099 6 2 2 4
57.39 1.92 1.6057 -7 2 4 4
57.58 6.50 1.6008 -8 0 6 2
57.65 4.53 1.5990 0 0 6 2
58.15 4.37 1.5865 -12 0 2 2
58.20 6.16 1.5850 2 2 4 4
58.34 10.10 1.5817 0 3 0 2
58.43 3.44 1.5796 -12 0 3 2
58.51 3.15 1.5774 8 0 3 2
59.47 1.04 1.5542 10 1 1 4
59.60 2.69 1.5513 -12 0 1 2
59.99 2.09 1.5420 -10 1 5 4
60.42 1.82 1.5321 -12 0 4 2
61.91 2.59 1.4987 -12 1 3 4
61.99 1.06 1.4970 -3 3 2 4
62.00 4.75 1.4969 8 1 3 4
62.31 4.36 1.4901 4 3 0 4
62.39 2.43 1.4885 4 1 5 4
62.49 1.38 1.4862 -10 2 2 4
62.71 1.30 1.4817 12 0 0 2
63.04 1.84 1.4746 -4 3 2 4
63.05 4.12 1.4745 -12 1 1 4
63.24 1.66 1.4704 -10 2 1 4
63.47 1.69 1.4656 6 2 3 4
63.84 5.38 1.4580 -12 1 4 4
64.02 6.11 1.4543 2 3 2 4
64.43 4.51 1.4462 4 3 1 4
64.48 1.46 1.4452 5 3 0 4
64.74 1.92 1.4400 -8 2 5 4
65.00 1.31 1.4349 -2 0 7 2
65.24 1.86 1.4301 10 1 2 4
65.42 4.48 1.4266 8 2 2 4
65.62 1.28 1.4228 10 2 0 4
65.85 1.12 1.4184 3 3 2 4
65.86 11.75 1.4181 -4 3 3 4
65.88 10.08 1.4177 0 3 3 4
65.94 2.16 1.4165 -10 2 4 4
66.00 9.17 1.4155 -6 3 1 4
66.06 1.94 1.4143 12 1 0 4
66.38 6.14 1.4082 2 2 5 4
66.53 1.65 1.4055 -6 3 2 4
67.38 5.08 1.3898 -4 2 6 4
69.83 1.16 1.3469 -3 3 4 4
69.90 1.24 1.3458 -10 0 7 2
70.09 1.35 1.3426 7 3 0 4
70.19 3.27 1.3408 8 1 4 4
71.04 4.20 1.3270 -8 2 6 4
71.10 3.51 1.3260 0 2 6 4
71.54 3.42 1.3188 -12 2 2 4
71.67 4.72 1.3167 0 1 7 4
71.79 1.61 1.3148 -12 2 3 4
72.21 5.64 1.3082 -14 1 3 4
72.31 5.62 1.3068 10 1 3 4
72.34 1.65 1.3063 -12 1 6 4
72.46 2.76 1.3043 4 1 6 4
72.57 1.67 1.3027 -14 1 2 4
72.85 1.29 1.2984 -12 2 1 4
73.09 9.06 1.2947 -10 1 7 4
73.75 1.87 1.2847 -6 0 8 2
74.46 1.25 1.2741 -14 1 1 4
74.75 2.55 1.2700 14 0 0 2
76.17 2.68 1.2498 -2 0 8 2
76.40 1.17 1.2466 8 0 5 2
76.77 1.68 1.2416 2 1 7 4
77.23 3.59 1.2353 -14 0 6 2
77.38 4.36 1.2333 6 0 6 2
79.26 2.36 1.2086 -10 3 1 4
79.41 1.64 1.2067 -10 3 3 4
79.48 1.57 1.2059 6 3 3 4
79.50 1.69 1.2057 8 1 5 4
79.65 3.54 1.2037 14 0 1 2
79.77 2.04 1.2022 4 3 4 4
80.31 1.33 1.1955 -14 1 6 4
80.46 1.83 1.1936 6 1 6 4
80.61 3.14 1.1918 10 1 4 4
80.63 2.86 1.1915 -8 3 5 4
81.02 5.19 1.1868 0 2 7 4
81.06 6.56 1.1862 0 4 0 2
81.26 2.02 1.1839 8 3 2 4
81.44 4.58 1.1817 10 3 0 4
81.54 5.45 1.1805 -14 2 3 4
81.63 4.81 1.1795 10 2 3 4
81.74 5.44 1.1781 -10 3 4 4
81.88 2.32 1.1765 -14 2 2 4
82.15 5.55 1.1733 2 3 5 4
82.38 8.08 1.1706 -10 2 7 4
82.71 4.11 1.1667 14 1 1 4
83.07 9.90 1.1626 -4 3 6 4
85.93 1.39 1.1311 -14 1 7 4
86.41 3.58 1.1261 -12 1 8 4
86.44 1.24 1.1258 4 4 1 4
86.79 1.36 1.1221 -16 0 6 2
87.03 1.10 1.1197 14 2 0 4
87.30 1.83 1.1169 8 3 3 4
87.74 2.73 1.1124 -4 4 3 4
87.76 2.40 1.1122 0 4 3 4
87.87 1.90 1.1111 -6 4 1 4
88.23 1.08 1.1075 -12 -3 1 4
88.40 2.77 1.1058 -2 2 8 4
88.56 4.04 1.1042 2 1 8 4
88.63 1.82 1.1035 8 2 5 4
89.43 4.02 1.0957 -14 2 6 4
89.58 3.46 1.0943 6 2 6 4
89.72 1.34 1.0929 10 2 4 4
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XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.