#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/56/9005669.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_9005669 loop_ _publ_author_name 'Bosi, F.' 'Lucchesi, S.' 'Reznitskii, L.' _publ_section_title ; Crystal chemistry of the dravite-chromdravite series Note: Tourmaline TMpr79f 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 'Al2.682 B3 Ca0.097 Cr3.9 F0.393 Fe0.042 H2.82 K0.014 Mg2.208 Na0.829 O30.607 Si5.982 Ti0.03 V0.147 Zn0.012' _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 16.0204 _cell_length_b 16.0204 _cell_length_c 7.2985 _cell_volume 1622.224 _exptl_crystal_density_diffrn 3.270 _[local]_cod_cif_authors_sg_H-M 'R 3 m' _[local]_cod_chemical_formula_sum_orig 'Na.829 Ca.097 K.014 Cr3.9 Mg2.208 V.147 Fe.042 Ti.03 Zn.012 Al2.682 Si5.982 B3 O30.607 F.393 H2.82' _cod_database_code 9005669 _amcsd_database_code AMCSD#0007002 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 0.22510 0.82900 0.01790 CaX 0.00000 0.00000 0.22510 0.09700 0.01790 KX 0.00000 0.00000 0.22510 0.01400 0.01790 CrY 0.12337 0.06168 0.63729 0.76600 0.00440 MgY 0.12337 0.06168 0.63729 0.15800 0.00440 V3+Y 0.12337 0.06168 0.63729 0.04900 0.00440 Fe2+Y 0.12337 0.06168 0.63729 0.01400 0.00440 Ti4+Y 0.12337 0.06168 0.63729 0.01000 0.00440 ZnY 0.12337 0.06168 0.63729 0.00400 0.00440 AlZ 0.29783 0.26189 0.60889 0.44400 0.00530 MgZ 0.29783 0.26189 0.60889 0.28900 0.00530 CrZ 0.29783 0.26189 0.60889 0.26700 0.00530 SiT 0.19032 0.18856 0.00000 0.99700 0.00430 AlT 0.19032 0.18856 0.00000 0.00300 0.00430 B 0.10995 0.21990 0.45420 1.00000 0.00490 O1W 0.00000 0.00000 0.76530 0.60700 0.00600 F1W 0.00000 0.00000 0.76530 0.39300 0.00600 O2 0.06030 0.12060 0.48820 1.00000 0.00640 O3V 0.25690 0.12845 0.50980 1.00000 0.00920 O4 0.09258 0.18516 0.07170 1.00000 0.00920 O5 0.18270 0.09135 0.09160 1.00000 0.00860 O6 0.19182 0.18237 0.77960 1.00000 0.00680 O7 0.28347 0.28306 0.07370 1.00000 0.00860 O8 0.20776 0.26828 0.43830 1.00000 0.00980 H3V 0.24800 0.12400 0.38200 0.94000 0.07000