#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9009619.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_9009619 _chemical_name 'Hendricksite' loop_ _publ_author_name 'Robert J L' 'Gasperin M' _journal_name_full "Tschermaks Mineralogische und Petrographische Mitteilungen" _journal_volume 34 _journal_year 1985 _journal_page_first 1 _journal_page_last 14 _publ_section_title ; Crystal structure refinement of hendricksite, a Zn- and Mn-rich trioctahedral potassium mica: a contribution to the crystal chemistry of zinc-bearing mineral Locality: Franklin Furnace, New Jersey, USA Note: polytype 1M ; _chemical_formula_sum '(K.89 Na.1 Ba.01) Mg1.572 Zn.54 Mn.4 Fe.252 Ti.072 Al1.13 _cell_length_a 5.340 _cell_length_b 9.254 _cell_length_c 10.235 _cell_angle_alpha 90 _cell_angle_beta 100.07 _cell_angle_gamma 90 _cell_volume 497.985 _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 KA 0.00000 0.00000 0.00000 0.89000 0.03040 NaA 0.00000 0.00000 0.00000 0.10000 0.00380 BaA 0.00000 0.00000 0.00000 0.01000 0.00380 Mg1 0.00000 0.50000 0.50000 0.52400 0.00380 Zn1 0.00000 0.50000 0.50000 0.18000 0.00380 Mn1 0.00000 0.50000 0.50000 0.13340 0.00380 Fe1 0.00000 0.50000 0.50000 0.08400 0.00380 Ti1 0.00000 0.50000 0.50000 0.02400 0.00380 Al1 0.00000 0.50000 0.50000 0.01920 0.00380 Cr1 0.00000 0.50000 0.50000 0.00200 0.00380 Mg2 0.00000 0.83170 0.50000 0.52400 0.00380 Zn2 0.00000 0.83170 0.50000 0.18000 0.00380 Mn2 0.00000 0.83170 0.50000 0.13340 0.00380 Fe2 0.00000 0.83170 0.50000 0.08400 0.00380 Ti2 0.00000 0.83170 0.50000 0.02400 0.00380 Al2 0.00000 0.83170 0.50000 0.01920 0.00380 Cr2 0.00000 0.83170 0.50000 0.00200 0.00380 Si 0.57500 0.16680 0.22520 0.73000 0.00760 Al 0.57500 0.16680 0.22520 0.27000 0.00760 O1 0.82420 0.23310 0.16740 1.00000 0.02026 O2 0.52110 0.00000 0.16710 1.00000 0.02153 O3 0.63130 0.16630 0.38980 1.00000 0.00887 O-H 0.12970 0.00000 0.39490 1.00000 0.00887