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 LS, natural
Locality: Laacher See, Eifel, Rhineland-Palatinate, Germany
_database_code_amcsd 0021078
CELL PARAMETERS: 9.8020 5.6248 5.2073 90.000 93.406 90.000
SPACE GROUP: P2/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 286.594
Density (g/cm3): 6.184
MAX. ABS. INTENSITY / VOLUME**2: 94.87735982
RIR: 4.996
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.04 37.42 9.7847 1 0 0 2
15.76 2.66 5.6248 0 1 0 2
24.11 19.94 3.6914 2 1 0 4
24.66 30.89 3.6102 -1 1 1 4
25.41 6.92 3.5051 1 1 1 4
27.34 10.18 3.2616 3 0 0 2
29.03 100.00 3.0755 -2 1 1 4
30.32 94.02 2.9480 2 1 1 4
31.82 22.05 2.8124 0 2 0 2
33.14 5.35 2.7030 1 2 0 4
34.51 24.62 2.5991 0 0 2 2
36.29 3.69 2.4757 1 0 2 2
36.32 10.19 2.4736 0 2 1 4
36.74 14.16 2.4462 4 0 0 2
36.86 1.58 2.4382 2 2 0 4
37.02 5.88 2.4280 3 1 1 4
40.25 2.05 2.2408 2 0 2 2
41.36 7.15 2.1827 2 2 1 4
41.59 1.11 2.1715 -2 1 2 4
42.44 10.26 2.1299 3 2 0 4
43.04 2.02 2.1017 -4 1 1 4
43.20 9.81 2.0942 -3 0 2 2
43.47 4.70 2.0817 2 1 2 4
46.26 1.62 1.9626 -3 1 2 4
47.64 19.25 1.9088 0 2 2 4
48.17 1.37 1.8890 -1 2 2 4
49.02 6.32 1.8583 1 2 2 4
49.38 18.44 1.8457 4 2 0 4
49.64 12.66 1.8366 -4 0 2 2
50.56 1.15 1.8051 -2 2 2 4
51.54 7.07 1.7732 -5 1 1 4
51.82 6.70 1.7644 -4 2 1 4
51.84 1.92 1.7637 0 3 1 4
52.25 10.00 1.7508 2 3 0 4
52.54 5.13 1.7419 -1 3 1 4
52.90 13.45 1.7307 4 0 2 2
52.94 3.65 1.7297 1 3 1 4
53.42 8.66 1.7152 4 2 1 4
53.55 3.80 1.7114 5 1 1 4
54.64 5.21 1.6797 -3 2 2 4
54.99 5.57 1.6700 -2 3 1 4
55.76 5.19 1.6486 2 3 1 4
55.78 7.64 1.6482 -1 1 3 4
56.95 1.07 1.6169 3 2 2 4
57.76 11.35 1.5963 -2 1 3 4
59.04 1.33 1.5647 -3 3 1 4
59.39 1.42 1.5563 -5 2 1 4
59.99 10.88 1.5421 2 1 3 4
60.14 1.63 1.5385 3 3 1 4
60.18 5.58 1.5377 -4 2 2 4
60.78 9.31 1.5239 -6 1 1 4
62.95 10.81 1.4766 6 1 1 4
63.01 4.35 1.4752 0 2 3 4
63.07 6.50 1.4740 4 2 2 4
63.27 1.73 1.4697 -1 2 3 4
63.43 3.87 1.4666 -2 3 2 4
64.55 1.84 1.4438 3 1 3 4
64.84 4.78 1.4380 2 3 2 4
66.94 1.94 1.3978 7 0 0 2
67.26 2.64 1.3919 1 4 0 4
69.21 4.50 1.3574 0 4 1 4
69.56 1.21 1.3515 2 4 0 4
71.25 2.13 1.3235 -5 3 1 4
72.68 3.47 1.3010 -5 1 3 4
72.77 2.13 1.2995 0 0 4 2
72.93 1.44 1.2972 5 3 1 4
73.31 1.26 1.2913 3 4 0 4
74.18 1.98 1.2783 1 0 4 2
74.82 1.25 1.2690 -1 3 3 4
75.25 1.41 1.2628 -7 0 2 2
76.03 1.70 1.2517 7 2 0 4
76.53 1.22 1.2448 -2 3 3 4
77.42 1.26 1.2327 -3 0 4 2
77.52 1.15 1.2314 -1 4 2 4
77.59 2.05 1.2305 6 3 0 4
78.15 3.43 1.2231 8 0 0 2
78.17 1.44 1.2227 1 4 2 4
78.45 1.15 1.2191 4 4 0 4
78.48 2.13 1.2187 2 3 3 4
79.19 1.44 1.2096 -6 3 1 4
79.38 1.46 1.2072 -2 4 2 4
80.24 2.13 1.1964 -6 1 3 4
80.37 2.20 1.1948 -4 4 1 4
81.13 1.60 1.1855 6 3 1 4
81.61 2.39 1.1797 0 2 4 4
81.65 2.33 1.1792 4 4 1 4
81.84 1.57 1.1770 -4 0 4 2
82.57 1.75 1.1684 3 3 3 4
82.97 1.70 1.1638 1 2 4 4
84.01 2.36 1.1520 -7 2 2 4
84.58 1.40 1.1457 3 4 2 4
85.85 1.01 1.1319 -6 3 2 4
86.01 4.37 1.1303 6 1 3 4
86.13 2.20 1.1290 -3 2 4 4
86.84 1.99 1.1216 8 2 0 4
86.96 2.45 1.1204 4 0 4 2
88.48 1.04 1.1050 7 2 2 4
89.04 1.08 1.0995 0 5 1 4
89.36 1.64 1.0963 2 5 0 4
89.68 1.89 1.0933 6 3 2 4
89.83 1.47 1.0919 0 4 3 4
89.91 1.29 1.0911 1 5 1 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.