Samarskite-(Y)
Britvin S N, Pekov I V, Krzhizhanovskaya M G, Agakhanov A A, Ternes B, Schuller W, Chukanov N V
Physics and Chemistry of Minerals 46 (2019) 727-741
Redefinition and crystal chemistry of samarskite-(Y), YFe3+Nb2O8:
cation-ordered niobate structurally related to layered double tungstates
Sample BP-1100, originally metamict, after annealing at 1100 C
Locality: Blyumovskaya pit, Ilmeny Mts, South Urals, Russia
_database_code_amcsd 0021080
CELL PARAMETERS: 9.7035 5.6008 5.1637 90.000 93.285 90.000
SPACE GROUP: P2/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 280.172
Density (g/cm3): 5.754
MAX. ABS. INTENSITY / VOLUME**2: 73.92924725
RIR: 4.184
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.13 2.06 9.6876 1 0 0 2
15.82 4.00 5.6008 0 1 0 2
18.32 6.53 4.8438 2 0 0 2
23.45 3.77 3.7930 0 1 1 4
24.29 27.69 3.6637 2 1 0 4
24.85 16.63 3.5836 -1 1 1 4
27.62 4.89 3.2292 3 0 0 2
29.29 98.45 3.0494 -2 1 1 4
30.54 100.00 2.9271 2 1 1 4
31.96 18.13 2.8004 0 2 0 2
31.99 2.09 2.7975 3 1 0 4
34.81 24.41 2.5776 0 0 2 2
36.51 15.80 2.4608 0 2 1 4
36.58 1.31 2.4562 1 0 2 2
37.12 13.44 2.4219 4 0 0 2
37.32 2.14 2.4092 3 1 1 4
37.46 1.38 2.4007 -1 2 1 4
38.62 1.46 2.3316 -2 0 2 2
41.62 10.87 2.1701 2 2 1 4
41.97 1.44 2.1525 -2 1 2 4
42.74 6.66 2.1157 3 2 0 4
43.66 9.33 2.0733 -3 0 2 2
43.81 7.27 2.0664 2 1 2 4
46.72 1.98 1.9443 -3 1 2 4
47.97 18.98 1.8965 0 2 2 4
48.78 1.43 1.8669 0 3 0 2
49.35 3.72 1.8466 1 2 2 4
49.78 19.02 1.8319 4 2 0 4
50.19 13.36 1.8178 -4 0 2 2
52.09 5.02 1.7557 -5 1 1 4
52.27 8.30 1.7502 -4 2 1 4
52.53 15.06 1.7420 2 3 0 4
52.82 2.88 1.7332 -1 3 1 4
53.21 1.54 1.7214 1 3 1 4
53.37 13.72 1.7166 4 0 2 2
53.83 12.66 1.7030 4 2 1 4
54.05 2.03 1.6967 5 1 1 4
55.12 3.33 1.6663 -3 2 2 4
55.32 4.03 1.6608 -2 3 1 4
56.07 4.11 1.6401 2 3 1 4
56.28 6.43 1.6345 -1 1 3 4
56.98 1.03 1.6163 3 3 0 4
57.88 1.22 1.5932 -5 0 2 2
58.31 10.40 1.5824 -2 1 3 4
59.95 2.49 1.5429 -5 2 1 4
60.49 11.26 1.5305 2 1 3 4
60.74 4.32 1.5247 -4 2 2 4
61.31 1.02 1.5120 0 3 2 4
61.46 8.93 1.5087 -6 1 1 4
61.96 1.49 1.4978 -3 1 3 4
63.52 5.92 1.4646 0 2 3 4
63.57 6.09 1.4635 4 2 2 4
63.57 10.82 1.4635 6 1 1 4
63.81 3.02 1.4588 -1 2 3 4
63.88 6.23 1.4573 -2 3 2 4
65.26 6.36 1.4297 2 3 2 4
67.51 1.52 1.3874 -3 3 2 4
67.60 1.61 1.3858 1 4 0 4
67.70 1.75 1.3839 7 0 0 2
68.90 1.05 1.3628 -6 1 2 4
69.12 1.02 1.3591 -3 2 3 4
69.57 7.12 1.3512 0 4 1 4
71.87 1.56 1.3137 -5 3 1 4
72.31 1.57 1.3066 -2 4 1 4
73.48 1.85 1.2888 0 0 4 2
73.51 3.24 1.2883 -5 1 3 4
74.88 1.83 1.2681 1 0 4 2
76.19 1.13 1.2495 -7 0 2 2
76.83 1.07 1.2407 7 2 0 4
77.85 1.50 1.2270 4 2 3 4
78.28 1.08 1.2213 -3 0 4 2
78.29 2.78 1.2212 6 3 0 4
79.01 1.17 1.2119 -5 3 2 4
79.08 1.63 1.2109 2 3 3 4
79.08 3.26 1.2109 8 0 0 2
80.95 3.20 1.1876 -4 4 1 4
81.22 1.64 1.1844 -6 1 3 4
81.84 1.15 1.1770 6 3 1 4
82.22 3.27 1.1725 4 4 1 4
82.37 2.21 1.1708 0 2 4 4
82.80 1.32 1.1658 -4 0 4 2
83.23 1.22 1.1608 3 3 3 4
83.73 1.26 1.1552 1 2 4 4
85.00 2.20 1.1411 -7 2 2 4
86.74 1.30 1.1226 -6 3 2 4
86.87 4.49 1.1212 6 1 3 4
87.04 1.86 1.1195 -3 2 4 4
87.82 2.68 1.1116 4 0 4 2
87.83 1.59 1.1115 8 2 0 4
89.88 2.46 1.0914 2 5 0 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.