data_global _chemical_name_mineral 'Pretulite' loop_ _publ_author_name 'Moelo Y' 'Lulzac Y' 'Rouer O' 'Palvadeau P' 'Gloaguen E' 'Leone P' _journal_name_full 'The Canadian Mineralogist' _journal_volume 40 _journal_year 2002 _journal_page_first 1657 _journal_page_last 1673 _publ_section_title ; Scandium mineralogy: pretulite with scandian zircon and xenotime-(Y) with an apatite-rich oolitic ironstone from Saint-Aubin-des-Chateaux, Armorican Massif, France ; _database_code_amcsd 0005799 _chemical_compound_source 'Saint-Aubin-des-Chateaux, Armorican Massif, France' _chemical_formula_sum '(Sc.904 Y.032 Yb.016 Zr.048) (P.952 Si.048) O4' _cell_length_a 6.5870 _cell_length_b 6.5870 _cell_length_c 5.809 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 252.044 _exptl_crystal_density_diffrn 3.833 _symmetry_space_group_name_H-M 'I 41/a m d' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '1/4-y,3/4-x,1/4+z' '3/4-y,1/4-x,3/4+z' '1/4+y,3/4+x,1/4-z' '3/4+y,1/4+x,3/4-z' '1/4+y,3/4-x,1/4-z' '3/4+y,1/4-x,3/4-z' '1/4-y,3/4+x,1/4+z' '3/4-y,1/4+x,3/4+z' '1/2+x,-y,1/2+z' '+x,1/2-y,+z' '1/2-x,y,1/2-z' '-x,1/2+y,-z' '1/2+x,y,1/2-z' '+x,1/2+y,-z' '1/2-x,-y,1/2+z' '-x,1/2-y,+z' '1/4+y,1/4+x,3/4+z' '3/4+y,3/4+x,1/4+z' '1/4-y,1/4-x,3/4-z' '3/4-y,3/4-x,1/4-z' '1/4-y,1/4+x,3/4-z' '3/4-y,3/4+x,1/4-z' '1/4+y,1/4-x,3/4+z' '3/4+y,3/4-x,1/4+z' '-x,y,z' '1/2-x,1/2+y,1/2+z' 'x,-y,-z' '1/2+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 Sc 0.00000 0.75000 0.12500 0.90400 0.00900 Y 0.00000 0.75000 0.12500 0.03200 0.00900 Yb 0.00000 0.75000 0.12500 0.01600 0.00900 Zr 0.00000 0.75000 0.12500 0.04800 0.00900 P 0.00000 0.25000 0.37500 0.95200 0.00700 Si 0.00000 0.25000 0.37500 0.04800 0.00700 O 0.18060 0.75000 0.43600 1.00000 0.00900