data_global _chemical_name_mineral 'Yttrotungstite-(Y)' loop_ _publ_author_name 'Davis R J' 'Smith G W' _journal_name_full 'Mineralogical Magazine' _journal_volume 38 _journal_year 1971 _journal_page_first 261 _journal_page_last 285 _publ_section_title ; Yttrotungstite ; _database_code_amcsd 0014453 _chemical_compound_source 'Kinta district, Perak, Malaysia' _chemical_formula_sum '(Mg.03 Ca.04 Ce.08 La.01 Pr.01 Nd.09 Sm.03 Gd.04 Tb.01 Dy.05 Er.04 Y.57) (W1.84 Al.1 Si.04 Fe.02) O9 H3' _cell_length_a 6.954 _cell_length_b 8.637 _cell_length_c 5.771 _cell_angle_alpha 90 _cell_angle_beta 104.93 _cell_angle_gamma 90 _cell_volume 334.915 _exptl_crystal_density_diffrn 5.924 _symmetry_space_group_name_H-M 'P 1 21/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '-x,-y,-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 Mg 0.72100 0.25000 0.24800 0.03000 0.02216 Ca 0.72100 0.25000 0.24800 0.04000 0.02216 Ce 0.72100 0.25000 0.24800 0.08000 0.02216 La 0.72100 0.25000 0.24800 0.01000 0.02216 Pr 0.72100 0.25000 0.24800 0.01000 0.02216 Nd 0.72100 0.25000 0.24800 0.09000 0.02216 Sm 0.72100 0.25000 0.24800 0.03000 0.02216 Gd 0.72100 0.25000 0.24800 0.04000 0.02216 Tb 0.72100 0.25000 0.24800 0.01000 0.02216 Dy 0.72100 0.25000 0.24800 0.05000 0.02216 Er 0.72100 0.25000 0.24800 0.04000 0.02216 Y 0.72100 0.25000 0.24800 0.57000 0.02216 W 0.18400 0.06400 0.21200 0.92000 0.02216 Al 0.18400 0.06400 0.21200 0.05000 0.02216 Si 0.18400 0.06400 0.21200 0.02000 0.02216 Fe 0.18400 0.06400 0.21200 0.01000 0.02216 O1 0.85000 0.75000 0.03000 1.00000 0.02216 O-H2 0.16000 0.25000 0.41000 1.00000 0.02216 O3 0.42000 0.09000 0.20000 1.00000 0.02216 O4 0.85000 0.06000 0.03000 1.00000 0.02216 O5 0.16000 0.94000 0.41000 1.00000 0.02216 Wat6 0.56000 0.25000 0.80000 1.00000 0.02216