#------------------------------------------------------------------------------ #$Date: 2010-06-10 18:11:07 +0300 (Thu, 10 Jun 2010) $ #$Revision: 1210 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9005668.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_9005668 loop_ _publ_author_name 'Bosi, F.' 'Lucchesi, S.' 'Reznitskii, L.' _publ_section_title ; Crystal chemistry of the dravite-chromdravite series Note: Tourmaline TMt3c Locality: Sludyanka crystalline complex, Lake Baikal, Russia ; _journal_name_full 'European Journal of Mineralogy' _journal_page_first 345 _journal_page_last 352 _journal_volume 16 _journal_year 2004 _chemical_formula_sum 'Al2.856 B3 Ca0.043 Cr3.372 F0.361 Fe0.027 H2.937 K0.027 Mg2.085 Na0.842 O30.639 Si5.868 Ti0.003 V0.783 Zn0.009' _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 16.0299 _cell_length_b 16.0299 _cell_length_c 7.3056 _cell_volume 1625.729 _exptl_crystal_density_diffrn 3.262 _[local]_cod_cif_authors_sg_H-M 'R 3 m' _[local]_cod_chemical_formula_sum_orig 'Na.842 Ca.043 K.027 Cr3.372 V.783 Mg2.085 Al2.856 Fe.027 Zn.009 Ti.003 Si5.868 B3 O30.639 F.361 H2.937' _cod_database_code 9005668 _amcsd_database_code AMCSD#0007001 loop_ _symmetry_equiv_pos_as_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 0.22370 0.84200 0.01860 CaX 0.00000 0.00000 0.22370 0.04300 0.01860 KX 0.00000 0.00000 0.22370 0.02700 0.01860 CrY 0.12337 0.06168 0.63710 0.58000 0.00450 V3+Y 0.12337 0.06168 0.63710 0.26100 0.00450 MgY 0.12337 0.06168 0.63710 0.12100 0.00450 AlY 0.12337 0.06168 0.63710 0.02800 0.00450 Fe2+Y 0.12337 0.06168 0.63710 0.00700 0.00450 ZnY 0.12337 0.06168 0.63710 0.00300 0.00450 Ti4+Y 0.12337 0.06168 0.63710 0.00100 0.00450 AlZ 0.29791 0.26194 0.60892 0.44000 0.00550 MgZ 0.29791 0.26194 0.60892 0.28700 0.00550 CrZ 0.29791 0.26194 0.60892 0.27200 0.00550 Fe2+Z 0.29791 0.26194 0.60892 0.00100 0.00550 SiT 0.19027 0.18858 0.00000 0.97800 0.00400 AlT 0.19027 0.18858 0.00000 0.02200 0.00400 B 0.11000 0.22000 0.45430 1.00000 0.00540 O1W 0.00000 0.00000 0.76540 0.63900 0.00620 F1W 0.00000 0.00000 0.76540 0.36100 0.00620 O2 0.06041 0.12082 0.48870 1.00000 0.00680 O-H3V 0.25700 0.12850 0.50970 0.97900 0.01000 O3V 0.25700 0.12850 0.50970 0.02100 0.01000 O4 0.09276 0.18552 0.07180 1.00000 0.00980 O5 0.18290 0.09145 0.09180 1.00000 0.00880 O6 0.19186 0.18238 0.77930 1.00000 0.00730 O7 0.28339 0.28328 0.07370 1.00000 0.00870 O8 0.20787 0.26860 0.43800 1.00000 0.01030