data_9004081 _chemical_name 'Vesuvianite' loop_ _publ_author_name 'Rucklidge J C' 'Kocman V' 'Whitlow S H' 'Gabe E J' _journal_name_full "The Canadian Mineralogist" _journal_volume 13 _journal_year 1975 _journal_page_first 15 _journal_page_last 21 _publ_section_title ; The crystal structures of three Canadian vesuvianites Sample: #1 Great Slave Lake ; _chemical_formula_sum 'Si9 Ca9.46 Fe1.098 Al5.5 O37.44 F1.56 H4' _cell_length_a 15.516 _cell_length_b 15.516 _cell_length_c 11.769 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 2833.343 _symmetry_space_group_name_H-M 'P 4/n n c' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,-x,1/2+z' 'y,x,1/2-z' '1/2+y,-x,-z' '1/2-y,x,z' '1/2+x,-y,1/2+z' '1/2-x,y,1/2-z' '1/2+x,1/2+y,-z' '1/2-x,1/2-y,z' '1/2+y,1/2+x,1/2+z' '1/2-y,1/2-x,1/2-z' '-y,1/2+x,-z' 'y,1/2-x,z' '-x,1/2+y,1/2+z' 'x,1/2-y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Si1 -0.25000 0.25000 0.00000 1.00000 Si2 -0.18095 0.04039 0.87113 1.00000 Si3 -0.08263 -0.15099 0.36485 1.00000 Ca1 -0.25000 0.25000 0.25000 1.00000 Ca2 -0.18893 0.04379 0.37938 1.00000 Ca3 -0.10047 -0.17982 0.88629 1.00000 CaC -0.25000 -0.25000 0.14092 0.46000 FeC -0.25000 -0.25000 0.14092 0.04000 FeB -0.25000 -0.25000 0.05702 0.55800 Al -0.11319 0.12107 0.12631 0.87600 Fe -0.11319 0.12107 0.12631 0.12400 AlA 0.00000 0.00000 0.00000 0.99800 FeA 0.00000 0.00000 0.00000 0.00200 O1 -0.22040 0.17294 0.08628 1.00000 O2 -0.11681 0.15987 0.27910 1.00000 O3 -0.04907 0.22158 0.07539 1.00000 O4 -0.06169 0.10677 0.47056 1.00000 O5 -0.16969 0.01546 0.17907 1.00000 O6 -0.11719 -0.27076 0.05942 1.00000 O7 0.05622 0.17440 0.32233 1.00000 O8 -0.06063 -0.09039 0.06656 1.00000 O9 -0.14457 -0.14457 0.25000 1.00000 O10 -0.25000 -0.25000 0.86625 1.00000 O-H -0.00425 0.06216 0.13628 0.61000 F -0.00425 0.06216 0.13628 0.39000