#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9000708.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_9000708 _chemical_name 'Albite' loop_ _publ_author_name 'Winter J K' 'Okamura F P' 'Ghose S' _journal_name_full "American Mineralogist" _journal_volume 64 _journal_year 1979 _journal_page_first 409 _journal_page_last 423 _publ_section_title ; A high-temperature structural study of high albite, monalbite, and the analbite - monalbite phase transition T = 1060 deg C, sample = monalbite Note: this sample of feldspar is from Tiburon, Marin County, California, USA ; _chemical_formula_sum 'Na (Si3 Al) O8' _cell_length_a 8.297 _cell_length_b 12.994 _cell_length_c 7.144 _cell_angle_alpha 90 _cell_angle_beta 116.01 _cell_angle_gamma 90 _cell_volume 692.195 _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 Na 0.27750 0.00000 0.13850 1.00000 Si1 0.00840 0.17870 0.22360 0.75000 Al1 0.00840 0.17870 0.22360 0.25000 Si2 0.69750 0.11660 0.34210 0.75000 Al2 0.69750 0.11660 0.34210 0.25000 Oa1 0.00000 0.14110 0.00000 1.00000 Oa2 0.61260 0.00000 0.28520 1.00000 Ob 0.82270 0.13660 0.22460 1.00000 Oc 0.02940 0.30490 0.25370 1.00000 Od 0.18730 0.12330 0.40440 1.00000