data_global _chemical_name_mineral 'Dissakisite-(Ce)' loop_ _publ_author_name 'Hoshino M' 'Kimata M' 'Nishida N' 'Shimizu M' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 35 _journal_year 2008 _journal_page_first 59 _journal_page_last 70 _publ_section_title ; Crystal chemical significance of chemical zoning in dissakisite-(Ce) ; _database_code_amcsd 0009130 _chemical_compound_source 'Trimouns dolomite mine, France' _chemical_formula_sum 'Ca1.113 La.202 Ce.349 Pr.059 Nd.197 Sm.035 Gd.018 Fe.238 Al2.126 Mg.661 Si3 O13 H' _cell_length_a 8.899 _cell_length_b 5.6836 _cell_length_c 10.095 _cell_angle_alpha 90 _cell_angle_beta 114.729 _cell_angle_gamma 90 _cell_volume 463.766 _exptl_crystal_density_diffrn 3.913 _symmetry_space_group_name_H-M 'P 1 21/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '-x,-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 CaA1 0.23830 0.25000 0.84790 0.99800 0.02310 LaA2 0.40553 0.25000 0.57232 0.20200 0.02020 CeA2 0.40553 0.25000 0.57232 0.34900 0.02020 PrA2 0.40553 0.25000 0.57232 0.05900 0.02020 NdA2 0.40553 0.25000 0.57232 0.19700 0.02020 SmA2 0.40553 0.25000 0.57232 0.03500 0.02020 GdA2 0.40553 0.25000 0.57232 0.01800 0.02020 CaA2 0.40553 0.25000 0.57232 0.11500 0.02020 FeA2 0.40553 0.25000 0.57232 0.02500 0.02020 AlM1 0.00000 0.00000 0.00000 1.00000 0.02010 AlM2 0.00000 0.00000 0.50000 1.00000 0.01960 AlM3 0.29620 0.25000 0.21240 0.12600 0.01920 FeM3 0.29620 0.25000 0.21240 0.21300 0.01920 MgM3 0.29620 0.25000 0.21240 0.66100 0.01920 Si1 0.66350 0.25000 0.96040 1.00000 0.01920 Si2 0.68410 0.25000 0.28110 1.00000 0.01860 Si3 0.81550 0.25000 0.67920 1.00000 0.01830 O1 0.76640 0.00860 0.96610 1.00000 0.02400 O2 0.69090 0.02600 0.63810 1.00000 0.02400 O3 0.79310 0.01150 0.34220 1.00000 0.02400 O4 0.05120 0.25000 0.12760 1.00000 0.02200 O5 0.95340 0.25000 0.85160 1.00000 0.02100 O6 0.93800 0.25000 0.59220 1.00000 0.02200 O7 0.49040 0.25000 0.82390 1.00000 0.02100 O8 0.53500 0.25000 0.32900 1.00000 0.02900 O9 0.61700 0.25000 0.10400 1.00000 0.02600 O-H10 0.07960 0.25000 0.42380 1.00000 0.02400 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 CaA1 0.02600 0.02220 0.02300 0.00000 0.01200 0.00000 LaA2 0.01910 0.02210 0.01800 0.00000 0.00650 0.00000 CeA2 0.01910 0.02210 0.01800 0.00000 0.00650 0.00000 PrA2 0.01910 0.02210 0.01800 0.00000 0.00650 0.00000 NdA2 0.01910 0.02210 0.01800 0.00000 0.00650 0.00000 SmA2 0.01910 0.02210 0.01800 0.00000 0.00650 0.00000 GdA2 0.01910 0.02210 0.01800 0.00000 0.00650 0.00000 CaA2 0.01910 0.02210 0.01800 0.00000 0.00650 0.00000 FeA2 0.01910 0.02210 0.01800 0.00000 0.00650 0.00000 AlM1 0.01900 0.02000 0.02000 0.00100 0.00600 -0.00100 AlM2 0.02100 0.01800 0.02000 0.00100 0.00800 0.00000 AlM3 0.01700 0.01900 0.02000 0.00000 0.00600 0.00000 FeM3 0.01700 0.01900 0.02000 0.00000 0.00600 0.00000 MgM3 0.01700 0.01900 0.02000 0.00000 0.00600 0.00000 Si1 0.01800 0.01800 0.02000 0.00000 0.00700 0.00000 Si2 0.01800 0.01900 0.01800 0.00000 0.00700 0.00000 Si3 0.01800 0.01800 0.01800 0.00000 0.00690 0.00000 O1 0.02500 0.02100 0.02600 0.00300 0.01100 0.00300 O2 0.02500 0.02300 0.02200 -0.00600 0.00800 -0.00300 O3 0.02200 0.02100 0.02500 0.00300 0.00700 0.00000 O4 0.02100 0.02100 0.02000 0.00000 0.00700 0.00000 O5 0.02500 0.01900 0.02000 0.00000 0.01000 0.00000 O6 0.02300 0.02000 0.02200 0.00000 0.00800 0.00000 O7 0.02000 0.02400 0.02100 0.00000 0.01100 0.00000 O8 0.02700 0.03900 0.02300 0.00000 0.01200 0.00000 O9 0.02600 0.02300 0.02400 0.00000 0.00800 0.00000 O-H10 0.02700 0.02300 0.01900 0.00000 0.00700 0.00000