data_global _chemical_name_mineral 'Staurolite' loop_ _publ_author_name 'Caucia F' 'Callegari A' 'Oberti R' 'Ungaretti L' 'Hawthorne F C' _journal_name_full 'The Canadian Mineralogist' _journal_volume 32 _journal_year 1994 _journal_page_first 477 _journal_page_last 489 _publ_section_title ; Structural aspects of oxidation-dehydrogenation in staurolite Sample: T = 950 C ; _database_code_amcsd 0005378 _chemical_formula_sum 'Si1.9 Al4.77 Fe.83 Mg.19 Zn.01 O12 H' _cell_length_a 7.860 _cell_length_b 16.645 _cell_length_c 5.606 _cell_angle_alpha 90 _cell_angle_beta 90.00 _cell_angle_gamma 90 _cell_volume 733.431 _exptl_crystal_density_diffrn 3.864 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-z' '-x,-y,-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 _atom_site_U_iso_or_equiv SiT1 0.13489 0.16811 0.25000 0.95000 0.00469 AlT1 0.13489 0.16811 0.25000 0.05000 0.00469 FeT2 0.38015 0.00000 0.25002 0.36000 0.00709 AlT2 0.38015 0.00000 0.25002 0.19000 0.00709 MgT2 0.38015 0.00000 0.25002 0.07000 0.00709 ZnT2 0.38015 0.00000 0.25002 0.01000 0.00709 FeT3 0.12589 0.00000 0.25010 0.10000 0.00583 AlT3 0.12589 0.00000 0.25010 0.23000 0.00583 AlM1A 0.50000 0.17345 0.00000 0.97000 0.00481 FeM1A 0.50000 0.17345 0.00000 0.03000 0.00481 AlM1B 0.50000 0.17345 0.50000 0.97000 0.00532 FeM1B 0.50000 0.17345 0.50000 0.03000 0.00532 AlM2 0.26424 0.41259 0.24997 0.91000 0.00671 FeM2 0.26424 0.41259 0.24997 0.09000 0.00671 AlM3A 0.00000 0.00000 0.00000 0.49000 0.00519 MgM3A 0.00000 0.00000 0.00000 0.04000 0.00519 FeM3A 0.00000 0.00000 0.00000 0.06000 0.00519 AlM3B 0.00000 0.00000 0.50000 0.49000 0.00532 MgM3B 0.00000 0.00000 0.50000 0.04000 0.00532 FeM3B 0.00000 0.00000 0.50000 0.06000 0.00532 FeM4A 0.50000 0.00000 0.00000 0.07000 0.01203 MgM4A 0.50000 0.00000 0.00000 0.08000 0.01203 FeM4B 0.50000 0.00000 0.50000 0.07000 0.01140 MgM4B 0.50000 0.00000 0.50000 0.08000 0.01140 O1A 0.23863 0.00000 0.97069 0.50000 0.01064 O-H1A 0.23863 0.00000 0.97069 0.50000 0.01064 O1B 0.23863 0.00000 0.52918 0.50000 0.01064 O-H1B 0.23863 0.00000 0.52918 0.50000 0.01064 O2A 0.25582 0.16199 0.01430 1.00000 0.00557 O2B 0.25591 0.16204 0.48559 1.00000 0.00557 O3 0.00352 0.09093 0.24994 1.00000 0.00849 O4 0.02114 0.25056 0.24988 1.00000 0.00532 O5 0.52433 0.09780 0.24995 1.00000 0.00595