#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9001503.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_9001503 _chemical_name 'Leakeite' loop_ _publ_author_name 'Hawthorne F C' 'Oberti R' 'Ungaretti L' 'Grice J D' _journal_name_full "American Mineralogist" _journal_volume 77 _journal_year 1992 _journal_page_first 1112 _journal_page_last 1115 _publ_section_title ; Leakeite, NaNa2(Mg2Fe2Li)Si8O22(OH)2, a new alkali amphibole from the Kajlidongri manganese mine, Jhabua district, Madhya Pradesh, India ; _chemical_formula_sum 'O24 Si8 Mg2.17 Fe2 Li.83 Na2.962 Ca.04 H2' _cell_length_a 9.822 _cell_length_b 17.836 _cell_length_c 5.286 _cell_angle_alpha 90 _cell_angle_beta 104.37 _cell_angle_gamma 90 _cell_volume 897.056 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _symmetry_equiv_pos_as_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_Uiso_or_equiv O1 0.11000 0.09050 0.21540 1.00000 ? O2 0.11840 0.16850 0.72840 1.00000 ? O3 0.11100 0.00000 0.69850 1.00000 ? O4 0.36230 0.25040 0.80270 1.00000 ? O5 0.34860 0.12810 0.08500 1.00000 ? O6 0.34360 0.11930 0.58540 1.00000 ? O7 0.33380 0.00000 0.29830 1.00000 ? Si1 0.27800 0.08620 0.29440 1.00000 ? Si2 0.28830 0.17120 0.80180 1.00000 ? Mg1 0.00000 0.08480 0.50000 0.72000 ? Fe1 0.00000 0.08480 0.50000 0.28000 ? Mg2 0.00000 0.17960 0.00000 0.28000 ? Fe2 0.00000 0.17960 0.00000 0.72000 ? Li3 0.00000 0.00000 0.00000 0.83000 ? Mg3 0.00000 0.00000 0.00000 0.17000 ? Na4 0.00000 0.27630 0.50000 0.98000 ? Ca4 0.00000 0.27630 0.50000 0.02000 ? NaA 0.00000 0.50000 0.00000 0.85000 ? Nam 0.03990 0.50000 0.09300 0.03800 ? Na2 0.00000 0.47660 0.00000 0.03800 0.05243 H 0.18450 0.00000 0.77050 1.00000 ?