data_global _chemical_name_mineral 'Kaersutite' loop_ _publ_author_name 'Comopdi P' 'Boffa Ballaran T' 'Zanazzi P F' 'Capalbo C' 'Zanetti A' 'Nazzareni S' _journal_name_full 'American Mineralogist' _journal_volume 95 _journal_year 2010 _journal_page_first 1042 _journal_page_last 1051 _publ_section_title ; The effect of oxo-component on the high-pressure behavior of amphiboles Sample: FR12 P = 0.0001 GPa ; _database_code_amcsd 0005060 _chemical_compound_source 'an alkaline basalt of the Massif Central, France' _chemical_formula_sum 'Si8 Fe1.72 Mg3.494 Ca1.784 Na1.058 K.1 O24' _cell_length_a 9.8165 _cell_length_b 18.0126 _cell_length_c 5.3002 _cell_angle_alpha 90 _cell_angle_beta 105.380 _cell_angle_gamma 90 _cell_volume 903.623 _exptl_crystal_density_diffrn 3.269 _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 0.28484 0.08529 0.30361 1.00000 0.00866 SiT2 0.29145 0.17267 0.81034 1.00000 0.00688 FeM1 0.00000 0.07962 0.50000 0.50100 0.01026 MgM1 0.00000 0.07962 0.50000 0.49900 0.01026 MgM2 0.00000 0.17705 0.00000 0.80000 0.00693 FeM2 0.00000 0.17705 0.00000 0.20000 0.00693 MgM3 0.00000 0.00000 0.00000 0.68200 0.00730 FeM3 0.00000 0.00000 0.00000 0.31800 0.00730 CaM4 0.00000 0.27860 0.50000 0.89200 0.01021 MgM4* 0.00000 0.25730 0.50000 0.10700 0.01600 NaAm 0.52820 0.00000 0.05860 0.52900 0.05500 KA2 0.00000 0.46590 0.00000 0.05000 0.03900 O1 0.10776 0.08648 0.21950 1.00000 0.00929 O2 0.11798 0.17048 0.72650 1.00000 0.00958 O3 0.10423 0.00000 0.71540 1.00000 0.01270 O4 0.36431 0.25155 0.78850 1.00000 0.01262 O5 0.35135 0.14023 0.10900 1.00000 0.01303 O6 0.34857 0.11834 0.60790 1.00000 0.01341 O7 0.34548 0.00000 0.28410 1.00000 0.01750 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 SiT1 0.00910 0.00813 0.00838 -0.00084 0.00167 -0.00030 SiT2 0.00688 0.00709 0.00645 -0.00064 0.00139 0.00051 FeM1 0.00835 0.01667 0.00633 0.00000 0.00294 0.00000 MgM1 0.00835 0.01667 0.00633 0.00000 0.00294 0.00000 MgM2 0.00760 0.00643 0.00690 0.00000 0.00211 0.00000 FeM2 0.00760 0.00643 0.00690 0.00000 0.00211 0.00000 MgM3 0.00890 0.00610 0.00600 0.00000 0.00030 0.00000 FeM3 0.00890 0.00610 0.00600 0.00000 0.00030 0.00000 CaM4 0.01290 0.00820 0.01164 0.00000 0.00697 0.00000 NaAm 0.08000 0.03330 0.08600 0.00000 0.08000 0.00000 O1 0.00850 0.01030 0.00890 -0.00130 0.00200 -0.00050 O2 0.00760 0.01100 0.00970 0.00010 0.00140 0.00060 O3 0.01030 0.01460 0.01180 0.00000 0.00060 0.00000 O4 0.01460 0.00990 0.01290 -0.00220 0.00300 0.00120 O5 0.01070 0.01590 0.01150 -0.00030 0.00120 0.00480 O6 0.01130 0.01570 0.01320 0.00020 0.00320 -0.00450 O7 0.01290 0.01510 0.02280 0.00000 0.00200 0.00000