#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9003098.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_9003098 loop_ _publ_author_name 'Balassone G' 'Franco E' 'Mattia C A' 'Puliti R' _publ_section_title ; Indialite in xenolithic rocks from Somma-Vesuvius volcano (Southern Italy): Crystal chemistry and petrogenetic features ; _journal_name_full 'American Mineralogist' _journal_page_first 1 _journal_page_last 6 _journal_volume 89 _journal_year 2004 _chemical_formula_sum 'Al4.251 Ca0.084 Fe0.06 K0.336 Mg1.94 O18 Si4.749' _[local]_cod_chemical_formula_sum_orig '(Al4.251 Si4.749) (Mg1.94 Fe.06) O18 K.336 Ca.084' _chemical_name_mineral Indialite _symmetry_space_group_name_H-M 'P 6/m c c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 9.775 _cell_length_b 9.775 _cell_length_c 9.354 _cell_volume 774.037 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-x+y,1/2+z x,x-y,1/2-z -x+y,-x,-z x-y,x,z -y,-x,1/2+z y,x,1/2-z y,-x+y,-z -y,x-y,z x-y,-y,1/2+z -x+y,y,1/2-z x,y,-z -x,-y,z x,x-y,1/2+z -x,-x+y,1/2-z x-y,x,-z -x+y,-x,z y,x,1/2+z -y,-x,1/2-z -y,x-y,-z y,-x+y,z -x+y,y,1/2+z x-y,-y,1/2-z -x,-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 Al1 0.50000 0.50000 0.25000 0.91700 0.01393 Si1 0.50000 0.50000 0.25000 0.08300 0.01393 Al2 0.37340 0.26650 0.00000 0.25000 0.01684 Si2 0.37340 0.26650 0.00000 0.75000 0.01684 Mg 0.33333 0.66667 0.25000 0.97000 0.01773 Fe 0.33333 0.66667 0.25000 0.03000 0.01773 O1 0.48510 0.34940 0.14440 1.00000 0.02026 O2 0.23060 0.30810 0.00000 1.00000 0.03128 K 0.00000 0.00000 0.16200 0.16800 0.11399 Ca 0.00000 0.00000 0.16200 0.04200 0.11399 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 Al1 0.01485 0.01485 0.01418 0.00871 0.00000 0.00000 Si1 0.01485 0.01485 0.01418 0.00871 0.00000 0.00000 Al2 0.02033 0.01489 0.01773 0.01071 0.00000 0.00000 Si2 0.02033 0.01489 0.01773 0.01071 0.00000 0.00000 Mg 0.01706 0.01706 0.01906 0.00853 0.00000 0.00000 Fe 0.01706 0.01706 0.01906 0.00853 0.00000 0.00000 O1 0.02287 0.01888 0.02128 0.01180 -0.00100 0.00040 O2 0.03921 0.03449 0.03103 0.02668 0.00000 0.00000 K 0.07261 0.07261 0.22163 0.03630 0.00000 0.00000 Ca 0.07261 0.07261 0.22163 0.03630 0.00000 0.00000 _cod_database_code 9003098