data_global _chemical_name_mineral 'Fluoro-edenite' loop_ _publ_author_name 'Andreozzi G B' 'Ballirano P' 'Gianfagna A' 'Mazziotti-Tagliani S' 'Pacella A' _journal_name_full 'American Mineralogist' _journal_volume 94 _journal_year 2009 _journal_page_first 1333 _journal_page_last 1340 _publ_section_title ; Structural and spectroscopic characterization of a suite of fibrous amphiboles with high environmental and health relevance from Biancaville (Sicily, Italy) Sample Name: Sample 1 ; _database_code_amcsd 0004975 _chemical_compound_source 'Biancaville, Sicily, Italy' _chemical_formula_sum 'O24 (Si7.68 Al.32) Mg4.5 Fe.66 Ca1.28 Na1.27 Mn.08 K.21' _cell_length_a 9.8056 _cell_length_b 18.0105 _cell_length_c 5.2725 _cell_angle_alpha 90 _cell_angle_beta 104.406 _cell_angle_gamma 90 _cell_volume 901.866 _exptl_crystal_density_diffrn 3.121 _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 O1 0.11050 0.08650 0.21740 1.00000 0.01000 O2 0.11800 0.17030 0.72500 1.00000 0.01000 O3 0.10140 0.00000 0.70900 1.00000 0.01000 O4 0.36810 0.24770 0.79970 1.00000 0.01000 O5 0.34590 0.13280 0.09760 1.00000 0.01000 O6 0.34420 0.11390 0.59870 1.00000 0.01000 O7 0.34510 0.00000 0.27450 1.00000 0.01000 SiT1 0.27720 0.08347 0.29260 0.96000 0.00500 AlT1 0.27720 0.08347 0.29260 0.04000 0.00500 SiT2 0.29170 0.16898 0.80500 0.96000 0.00500 AlT2 0.29170 0.16898 0.80500 0.04000 0.00500 MgM1 0.00000 0.08840 0.50000 0.95000 0.00600 Fe2+M1 0.00000 0.08840 0.50000 0.05000 0.00600 MgM2 0.00000 0.17700 0.00000 0.80000 0.00600 Fe2+M2 0.00000 0.17700 0.00000 0.02000 0.00600 Fe3+M2 0.00000 0.17700 0.00000 0.18000 0.00600 MgM3 0.00000 0.00000 0.00000 1.00000 0.00600 CaM4 0.00000 0.27571 0.50000 0.64000 0.01100 NaM4 0.00000 0.27571 0.50000 0.24000 0.01100 MnM4 0.00000 0.27571 0.50000 0.04000 0.01100 FeM4 0.00000 0.27571 0.50000 0.08000 0.01100 KA 0.00000 0.50000 0.00000 0.21000 0.02500 NaA 0.00000 0.50000 0.00000 0.79000 0.02500