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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
***Click the ANX, Pearson or Wyckoff Symbol to find structures with that symbol***.
CC=94846 Help
TitleMetamict aeschynite-(Y) from the Evje-Iveland district (Norway): heat-induced recrystallization and dehydrogenation.
AuthorsBonazzi, P.;Zoppi, M.;Dei, L.
ReferenceIC&volume=14&fpage=141&details=yes target=icsd_help>European Journal of Mineralogy (2002) 14, 141-150
Link XRef SCOPUS Google
CompoundH0.28 Ca0.012 Dy0.25 Fe0.018 Nb0.335 O6 Ta0.05 Th0.157 Ti1.605 U0.056 W0.014 Y0.5 - [Aeschynite (Y)] Yttrium dysprosium thorium uranium calcium titanium niobium tantalum tungsten iron oxide hydroxide (0.5/0.25/0.16/0.06/0.01/1.61/0.33/0.05/0.01/0.02/5.72/ 0.28) [AB2X6] [oP37] [d3 c3] []
Cell10.879(1), 7.4131(7), 5.1713(6), 90, 90, 90
PNMA (62) V=417.05
RemarksR=0.055800 : M =Aeschynite (Y) : X D
Heat treatment at 823 K.

Atom (site) Oxid. x, y, z, B, Occupancy
Y1(4c)3
Dy1(4c)3
Th1(4c)4
U1(4c)6
Ca1(4c)2
Ti1(8d)4
Nb1(8d)5
Ta1(8d)5
W1(8d)6
Fe1(8d)3
O1(8d)-2
O2(8d)-2
O3(4c)-2
O4(4c)-2
H1(8*)1
0.450.250.030.010.49
0.450.250.030.010.25
0.450.250.030.010.15
0.450.250.030.010.05
0.450.250.030.010.01
0.350.510.540.010.80
0.350.510.540.010.16
0.350.510.540.010.02
0.350.510.540.010.00
0.350.510.540.010.00
0.280.440.870.011
0.530.450.740.011
0.620.250.300.011
0.340.250.440.011.
00.14

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