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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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TitleThe crystal structure of cheralite - (Ce), (LREE, Ca, Th, U) (P, Si) O4, a monazite-group mineral.
AuthorsHughes, J.M.;Foord, E.E.;Hubbard, M.A.;Ni, Y.X.
ReferenceNeues Jahrbuch fuer Mineralogie. Monatsh (1995) 1995, 344-350
Link XRef SCOPUS Google
CompoundCa0.29 Ce0.41 O4 P0.95 Si0.05 Th0.26 U0.04 - [Cheralite (Ce)] Cerium calcium thorium phosphate(V) (0.4/0.3/0.3/1) [ABX4] [mP24] [e6] []
Cell6.747(2), 6.960(2), 6.453(1), 90., 103.71(2), 90.
P121/N1 (14) V=294.39
RemarksR=0.022000 : P =33-1095; : M =Cheralite (Ce) :
PDF 33-1095; Ce represents REE

Atom (site) Oxid. x, y, z, B, Occupancy
Ce1(4e)3
Ca1(4e)2
Th1(4e)4
U1(4e)4
P1(4e)5
Si1(4e)4
O1(4e)-2
O2(4e)-2
O3(4e)-2
O4(4e)-2
0.280.150.101.170.41
0.280.150.101.170.29
0.280.150.101.170.26
0.280.150.101.170.04
0.300.160.611.020.95
0.300.160.611.020.05
0.240.000.441.401
0.380.330.491.521
0.470.100.801.921
0.120.210.701.481

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