#------------------------------------------------------------------------------ #$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $ #$Revision: 282068 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/56/9005667.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9005667 loop_ _publ_author_name 'Bosi, F.' 'Lucchesi, S.' 'Reznitskii, L.' _publ_section_title ; Crystal chemistry of the dravite-chromdravite series Note: Tourmaline TMt6b ; _journal_name_full 'European Journal of Mineralogy' _journal_page_first 345 _journal_page_last 352 _journal_paper_doi 10.1127/0935-1221/2004/0016-0345 _journal_volume 16 _journal_year 2004 _chemical_compound_source 'Sludyanka crystalline complex, Lake Baikal, Russia' _chemical_formula_sum ;Al2.364 B3 Ca0.068 Cr4.029 F0.332 Fe0.036 H2.982 K0.017 Mg2.322 Na0.892 O30.668 Si5.976 Ti0.03 V0.243 ; _chemical_name_mineral Chromdravite _space_group_IT_number 160 _symmetry_space_group_name_Hall 'R 3 -2"' _symmetry_space_group_name_H-M 'R 3 m :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 16.0377 _cell_length_b 16.0377 _cell_length_c 7.3157 _cell_volume 1629.561 _database_code_amcsd 0007058 _exptl_crystal_density_diffrn 3.270 _cod_original_sg_symbol_H-M 'R 3 m' _cod_original_formula_sum ;Na.892 Ca.068 K.017 Cr4.029 Mg2.322 V.243 Fe.036 Ti.03 Al2.364 Si5.976 B3 O30.668 F.332 H2.982 ; _cod_database_code 9005667 loop_ _space_group_symop_operation_xyz x,y,z 2/3+x,1/3+y,1/3+z 1/3+x,2/3+y,2/3+z x,x-y,z 2/3+x,1/3+x-y,1/3+z 1/3+x,2/3+x-y,2/3+z -y,-x,z 2/3-y,1/3-x,1/3+z 1/3-y,2/3-x,2/3+z -x+y,y,z 2/3-x+y,1/3+y,1/3+z 1/3-x+y,2/3+y,2/3+z -y,x-y,z 2/3-y,1/3+x-y,1/3+z 1/3-y,2/3+x-y,2/3+z -x+y,-x,z 2/3-x+y,1/3-x,1/3+z 1/3-x+y,2/3-x,2/3+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 NaX 0.00000 0.00000 0.22540 0.89200 0.01830 CaX 0.00000 0.00000 0.22540 0.06800 0.01830 KX 0.00000 0.00000 0.22540 0.01700 0.01830 CrY 0.12339 0.06169 0.63757 0.74300 0.00450 MgY 0.12339 0.06169 0.63757 0.15400 0.00450 V3+Y 0.12339 0.06169 0.63757 0.08100 0.00450 Fe2+Y 0.12339 0.06169 0.63757 0.01200 0.00450 Ti4+Y 0.12339 0.06169 0.63757 0.01000 0.00450 AlZ 0.29781 0.26188 0.60891 0.39000 0.00520 MgZ 0.29781 0.26188 0.60891 0.31000 0.00520 CrZ 0.29781 0.26188 0.60891 0.30000 0.00520 SiT 0.19013 0.18840 0.00000 0.99600 0.00460 AlT 0.19013 0.18840 0.00000 0.00400 0.00460 B 0.10992 0.21984 0.45410 1.00000 0.00480 O1W 0.00000 0.00000 0.76510 0.66800 0.00670 F1W 0.00000 0.00000 0.76510 0.33200 0.00670 O2 0.06024 0.12048 0.48930 1.00000 0.00640 O3V 0.25650 0.12825 0.51020 1.00000 0.00970 O4 0.09262 0.18524 0.07200 1.00000 0.01000 O5 0.18260 0.09130 0.09130 1.00000 0.00890 O6 0.19144 0.18221 0.78030 1.00000 0.00740 O7 0.28310 0.28278 0.07340 1.00000 0.00910 O8 0.20752 0.26819 0.43820 1.00000 0.01040 H3V 0.23700 0.11850 0.36000 0.99400 0.14000 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0007058