data_global _chemical_name_mineral 'Schoenfliesite' loop_ _publ_author_name 'Basciano L C' 'Peterson R C' 'Roeder P L' _journal_name_full 'The Canadian Mineralogist' _journal_volume 36 _journal_year 1998 _journal_page_first 1203 _journal_page_last 1210 _publ_section_title ; Description of schoenfliesite, MgSn(OH)6, and roxbyite, Cu1.72S, from a 1375 BC shipwreck, and rietveld neutron-diffraction refinement of synthetic schoenfliesite, wickmanite, MnSn(OH)6, and burtite, CaSn(OH)6 ; _database_code_amcsd 0005565 _chemical_compound_source 'a 1375 BC shipwreck' _chemical_formula_sum 'Mg Sn H6 O6' _cell_length_a 7.7449 _cell_length_b 7.7449 _cell_length_c 7.7449 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 464.566 _exptl_crystal_density_diffrn 3.504 _symmetry_space_group_name_H-M 'P n 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+z,1/2+x,-y' '1/2+z,-x,1/2+y' '-z,1/2+x,1/2+y' '-z,-x,-y' 'y,1/2-z,1/2-x' '1/2-y,1/2-z,x' '1/2-y,z,1/2-x' 'y,z,x' '1/2+x,-y,1/2+z' '-x,1/2+y,1/2+z' '1/2+x,1/2+y,-z' '-x,-y,-z' '1/2-z,1/2-x,y' '1/2-z,x,1/2-y' 'z,1/2-x,1/2-y' 'z,x,y' '-y,1/2+z,1/2+x' '1/2+y,1/2+z,-x' '1/2+y,-z,1/2+x' '-y,-z,-x' '1/2-x,y,1/2-z' 'x,1/2-y,1/2-z' '1/2-x,1/2-y,z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Mg 0.00000 0.00000 0.00000 1.00000 Sn 0.50000 0.50000 0.50000 1.00000 H1 -0.04400 0.19940 0.24480 0.50000 H2 -0.22200 0.07400 0.21900 0.50000 O -0.06190 0.07510 0.25400 1.00000