data_global
_chemical_name_mineral 'Clinofergusonite-(Y)'
loop_
_publ_author_name
'Guastoni A'
'Camara F'
'Nestola F'
_journal_name_full 'American Mineralogist'
_journal_volume 95 
_journal_year 2010
_journal_page_first 487
_journal_page_last 494
_publ_section_title
;
 Arsenic-rich fergusonite-beta-(Y) from Mount Cervandone (Western Alps, Italy):
 Crystal structure and genetic implications
;
_database_code_amcsd 0005036
_chemical_compound_source 'Mount Cervandone, Western Alps, Italy'
_chemical_formula_sum 'Y.7 Dy.07 Er.05 Ca.05 Gd.02 U.02 Yb.01 Tb.01 Th.01 Nd.01 Nb.68 As.27 W.06 Ta.01 Si.01 O4'
_cell_length_a 5.1794
_cell_length_b 11.089
_cell_length_c 5.1176
_cell_angle_alpha 90
_cell_angle_beta 91.282
_cell_angle_gamma 90
_cell_volume 293.853
_exptl_crystal_density_diffrn      5.865
_symmetry_space_group_name_H-M 'I 1 2/a 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/2-x,y,-z'
  '-x,1/2+y,1/2-z'
  '1/2+x,-y,z'
  '+x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
YA   0.25000   0.12440   0.00000   0.70000   0.02300
DyA   0.25000   0.12440   0.00000   0.07000   0.02300
ErA   0.25000   0.12440   0.00000   0.05000   0.02300
CaA   0.25000   0.12440   0.00000   0.05000   0.02300
GdA   0.25000   0.12440   0.00000   0.02000   0.02300
UA   0.25000   0.12440   0.00000   0.02000   0.02300
YbA   0.25000   0.12440   0.00000   0.01000   0.02300
TbA   0.25000   0.12440   0.00000   0.01000   0.02300
ThA   0.25000   0.12440   0.00000   0.01000   0.02300
NdA   0.25000   0.12440   0.00000   0.01000   0.02300
NbB   0.25000   0.63020   0.00000   0.68000   0.02500
AsB   0.25000   0.63020   0.00000   0.27000   0.02500
WB   0.25000   0.63020   0.00000   0.06000   0.02500
TaB   0.25000   0.63020   0.00000   0.01000   0.02500
SiB   0.25000   0.63020   0.00000   0.01000   0.02500
O1   0.00390   0.71080   0.17600   1.00000   0.04300
O2   0.91050   0.45800   0.25080   1.00000   0.03200
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
YA 0.02700 0.01400 0.02700 0.00000 -0.00100 0.00000
DyA 0.02700 0.01400 0.02700 0.00000 -0.00100 0.00000
ErA 0.02700 0.01400 0.02700 0.00000 -0.00100 0.00000
CaA 0.02700 0.01400 0.02700 0.00000 -0.00100 0.00000
GdA 0.02700 0.01400 0.02700 0.00000 -0.00100 0.00000
UA 0.02700 0.01400 0.02700 0.00000 -0.00100 0.00000
YbA 0.02700 0.01400 0.02700 0.00000 -0.00100 0.00000
TbA 0.02700 0.01400 0.02700 0.00000 -0.00100 0.00000
ThA 0.02700 0.01400 0.02700 0.00000 -0.00100 0.00000
NdA 0.02700 0.01400 0.02700 0.00000 -0.00100 0.00000
NbB 0.02100 0.03300 0.02000 0.00000 0.00100 0.00000
AsB 0.02100 0.03300 0.02000 0.00000 0.00100 0.00000
WB 0.02100 0.03300 0.02000 0.00000 0.00100 0.00000
TaB 0.02100 0.03300 0.02000 0.00000 0.00100 0.00000
SiB 0.02100 0.03300 0.02000 0.00000 0.00100 0.00000
O1 0.03900 0.02500 0.06600 0.00400 0.00200 0.01000
O2 0.03500 0.02100 0.04100 0.00400 -0.00400 0.00100