data_global _chemical_name_mineral 'Hornblende' loop_ _publ_author_name 'Mancini F' 'Sillanpaa R' 'Marshall B' 'Papunen H' _journal_name_full 'The Canadian Mineralogist' _journal_volume 34 _journal_year 1996 _journal_page_first 835 _journal_page_last 844 _publ_section_title ; Magnesian hornblende from a metamorphosed ultramafic body in southwestern Finland: crystal chemistry and petrological implications ; _database_code_amcsd 0005506 _chemical_compound_source 'southwestern Finland' _chemical_formula_sum 'Si7.28 Al Mg3.49 Fe1.33 Ti.06 Ca1.66 Na.625 Mn.02 K.015 H2 O23.8 F.2' _cell_length_a 9.857 _cell_length_b 18.112 _cell_length_c 5.309 _cell_angle_alpha 90 _cell_angle_beta 104.81 _cell_angle_gamma 90 _cell_volume 916.328 _exptl_crystal_density_diffrn 3.126 _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 0.28043 0.08473 0.29766 0.82000 0.00039 AlT1 0.28043 0.08473 0.29766 0.18000 0.00039 SiT2 0.28980 0.17165 0.80710 1.00000 0.00044 MgM1 0.00000 0.08867 0.50000 0.71000 0.00072 FeM1 0.00000 0.08867 0.50000 0.29000 0.00072 MgM2 0.00000 0.17758 0.00000 0.69000 0.00050 FeM2 0.00000 0.17758 0.00000 0.15000 0.00050 AlM2 0.00000 0.17758 0.00000 0.14000 0.00050 TiM2 0.00000 0.17758 0.00000 0.03000 0.00050 MgM3 0.00000 0.00000 0.00000 0.67000 0.00064 FeM3 0.00000 0.00000 0.00000 0.33000 0.00064 CaM4 0.00000 0.27859 0.50000 0.41500 0.00102 NaM4 0.00000 0.27859 0.50000 0.04000 0.00102 FeM4 0.00000 0.27859 0.50000 0.03000 0.00102 MgM4 0.00000 0.27859 0.50000 0.00500 0.00102 MnM4 0.00000 0.27859 0.50000 0.00500 0.00102 CaM4* 0.00000 0.25303 0.50000 0.41500 0.00141 NaM4* 0.00000 0.25303 0.50000 0.04000 0.00141 FeM4* 0.00000 0.25303 0.50000 0.03000 0.00141 MgM4* 0.00000 0.25303 0.50000 0.00500 0.00141 MnM4* 0.00000 0.25303 0.50000 0.00500 0.00141 NaA(2/m) 0.00000 0.50000 0.00000 0.15500 0.00463 KA(2/m) 0.00000 0.50000 0.00000 0.00500 0.00463 NaA(2) 0.00000 0.51594 0.00000 0.15500 0.00627 KA(2) 0.00000 0.51594 0.00000 0.00500 0.00627 H 0.20245 0.00000 0.77002 1.00000 0.00117 O1 0.10972 0.08803 0.21450 1.00000 0.00122 O2 0.11919 0.17282 0.72856 1.00000 0.00116 O3 0.11049 0.00000 0.71371 0.90000 0.00120 F3 0.11049 0.00000 0.71371 0.10000 0.00120 O4 0.36759 0.24858 0.79144 1.00000 0.00141 O5 0.34774 0.13612 0.10242 1.00000 0.00139 O6 0.34322 0.11856 0.59259 1.00000 0.00133 O7 0.33548 0.00000 0.28790 1.00000 0.00147