#------------------------------------------------------------------------------ #$Date: 2016-02-16 14:49:47 +0200 (Tue, 16 Feb 2016) $ #$Revision: 176465 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/56/9005670.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_9005670 loop_ _publ_author_name 'Bosi, F.' 'Lucchesi, S.' 'Reznitskii, L.' _publ_section_title ; Crystal chemistry of the dravite-chromdravite series Note: Tourmaline TM1p43e Locality: Sludyanka crystalline complex, Lake Baikal, Russia ; _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_formula_sum ;Al3.354 B3 Ca0.028 Cr3.15 F0.259 Fe0.036 H3.034 K0.022 Mg2.169 Na0.888 O30.741 Si5.988 Ti0.003 V0.279 Zn0.015 ; _chemical_name_mineral Dravite _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 15.9911 _cell_length_b 15.9911 _cell_length_c 7.2764 _cell_volume 1611.402 _exptl_crystal_density_diffrn 3.237 _cod_original_sg_symbol_H-M 'R 3 m' _cod_original_formula_sum ;Na.888 Ca.028 K.022 Cr3.15 Mg2.169 Al3.354 V.279 Zn.015 Ti.003 Fe.036 Si5.988 B3 O30.741 F.259 H3.034 ; _cod_database_code 9005670 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 0.22450 0.88800 0.01800 CaX 0.00000 0.00000 0.22450 0.02800 0.01800 KX 0.00000 0.00000 0.22450 0.02200 0.01800 CrY 0.12349 0.06174 0.63680 0.72600 0.00450 MgY 0.12349 0.06174 0.63680 0.21700 0.00450 AlY 0.12349 0.06174 0.63680 0.03200 0.00450 V3+Y 0.12349 0.06174 0.63680 0.01900 0.00450 ZnY 0.12349 0.06174 0.63680 0.00500 0.00450 Ti4+Y 0.12349 0.06174 0.63680 0.00100 0.00450 AlZ 0.29794 0.26194 0.60929 0.54100 0.00540 MgZ 0.29794 0.26194 0.60929 0.25300 0.00540 CrZ 0.29794 0.26194 0.60929 0.16200 0.00540 V3+Z 0.29794 0.26194 0.60929 0.03700 0.00540 Fe2+Z 0.29794 0.26194 0.60929 0.00600 0.00540 SiT 0.19050 0.18872 0.00000 0.99800 0.00440 AlT 0.19050 0.18872 0.00000 0.00200 0.00440 B 0.11011 0.22022 0.45410 1.00000 0.00470 O1W 0.00000 0.00000 0.76530 0.70700 0.00640 F1W 0.00000 0.00000 0.76530 0.25900 0.00640 O-H1W 0.00000 0.00000 0.76530 0.03400 0.00640 O2 0.06044 0.12088 0.48830 1.00000 0.00670 O3V 0.25770 0.12885 0.50990 1.00000 0.01000 O4 0.09270 0.18540 0.07160 1.00000 0.00980 O5 0.18320 0.09160 0.09160 1.00000 0.00870 O6 0.19234 0.18293 0.77910 1.00000 0.00700 O7 0.28368 0.28345 0.07440 1.00000 0.00890 O8 0.20809 0.26881 0.43840 1.00000 0.01010 H3V 0.25200 0.12600 0.38000 1.00000 0.15000