#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9002901.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_9002901 loop_ _publ_author_name 'Bindi L' 'Safonov O G' 'Yapaskurt V O' 'Perchuk L L' 'Menchetti S' _publ_section_title ; Ultrapotassic clinopyroxene from the Kumdy-Kol microdiamond mine, Kokchetav Complex, Kazakhstan: Occurrence, composition and crystal-chemical characterization ; _journal_name_full 'American Mineralogist' _journal_page_first 464 _journal_page_last 468 _journal_volume 88 _journal_year 2003 _chemical_formula_sum 'Al Ca0.61 Fe0.13 K0.17 Mg0.43 Mn0.01 Na0.05 O6 Si1.61' _[local]_cod_chemical_formula_sum_orig 'Ca.61 Fe.13 Mg.43 Mn.01 K.17 Na.05 Al Si1.61 O6' _chemical_name_mineral Clinopyroxene _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 105.75 _cell_angle_gamma 90 _cell_length_a 9.773 _cell_length_b 8.926 _cell_length_c 5.269 _cell_volume 442.378 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,z x,-y,1/2+z 1/2+x,1/2-y,1/2+z -x,y,1/2-z 1/2-x,1/2+y,1/2-z -x,-y,-z 1/2-x,1/2-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 Ca2 0.00000 0.30131 0.25000 0.61000 0.01100 Fe2 0.00000 0.30131 0.25000 0.13000 0.01100 Mg2 0.00000 0.30131 0.25000 0.04000 0.01100 Mn2 0.00000 0.30131 0.25000 0.01000 0.01100 K2 0.00000 0.30131 0.25000 0.17000 0.01100 Na2 0.00000 0.30131 0.25000 0.05000 0.01100 Al1 0.00000 0.90339 0.25000 0.61000 0.00860 Mg1 0.00000 0.90339 0.25000 0.39000 0.00860 SiT 0.28752 0.09211 0.23187 0.80500 0.00680 AlT 0.28752 0.09211 0.23187 0.19500 0.00680 O1 0.11480 0.08670 0.14620 1.00000 0.01030 O2 0.36140 0.24960 0.32010 1.00000 0.01180 O3 0.34900 0.01910 0.98710 1.00000 0.01180 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 Ca2 0.01240 0.01050 0.00640 0.00000 -0.00350 0.00000 Fe2 0.01240 0.01050 0.00640 0.00000 -0.00350 0.00000 Mg2 0.01240 0.01050 0.00640 0.00000 -0.00350 0.00000 Mn2 0.01240 0.01050 0.00640 0.00000 -0.00350 0.00000 K2 0.01240 0.01050 0.00640 0.00000 -0.00350 0.00000 Na2 0.01240 0.01050 0.00640 0.00000 -0.00350 0.00000 Al1 0.00950 0.00910 0.00670 0.00000 0.00160 0.00000 Mg1 0.00950 0.00910 0.00670 0.00000 0.00160 0.00000 SiT 0.00730 0.00830 0.00510 -0.00200 0.00220 0.00060 AlT 0.00730 0.00830 0.00510 -0.00200 0.00220 0.00060 O1 0.00740 0.01170 0.01190 0.00060 0.00310 0.00070 O2 0.01370 0.01170 0.01190 -0.00740 0.00660 0.00040 O3 0.01150 0.01450 0.00910 -0.00620 0.00250 -0.00610