data_global _chemical_name_mineral 'Lileyite' loop_ _publ_author_name 'Chukanov N V' 'Pekov I V' 'Rastsvetaeva R K' 'Aksenov S M' 'Zadov A E' 'Van K V' 'Blass G' 'Schuller W' 'Ternes B' _journal_name_full 'European Journal of Mineralogy' _journal_volume 24 _journal_year 2012 _journal_page_first 181 _journal_page_last 188 _publ_section_title ; Lileyite, Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2, a new lamprophyllite-group mineral from the Eifel volcanic area, Germany ; _database_code_amcsd 0018776 _chemical_compound_source 'Lohley quarry, Rhineland-Palatinate, Germany' _chemical_formula_sum '(Ba1.5 K.3 Sr.2) Na1.9 Ca.4 Fe.6 Mn.2 Mg.8 Ti2 Nb.1 Si4 O16.4 F1.6' _cell_length_a 19.905 _cell_length_b 7.098 _cell_length_c 5.405 _cell_angle_alpha 90 _cell_angle_beta 96.349 _cell_angle_gamma 90 _cell_volume 758.966 _exptl_crystal_density_diffrn 3.803 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-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 Ba 0.28270 0.00000 0.26230 0.75000 K 0.28270 0.00000 0.26230 0.15000 Sr 0.28270 0.00000 0.26230 0.10000 Na1 0.00000 0.00000 0.00000 1.00000 Na2 0.00000 0.25940 0.50000 0.45000 Ca2 0.00000 0.25940 0.50000 0.20000 Fe2 0.00000 0.25940 0.50000 0.25000 Mn2 0.00000 0.25940 0.50000 0.10000 Mg 0.00000 0.50000 0.00000 0.80000 Fe 0.00000 0.50000 0.00000 0.10000 Ti 0.00000 0.50000 0.00000 0.10000 Ti 0.14580 0.00000 0.70680 0.95000 Nb 0.14580 0.00000 0.70680 0.05000 Si 0.13860 0.28190 0.20410 1.00000 O1 0.17130 0.18890 0.46570 1.00000 O2 0.17150 0.18760 0.97140 1.00000 O3 0.16960 0.50000 0.21640 1.00000 O4 0.05790 0.28670 0.17350 1.00000 O5 0.06040 0.00000 0.66710 1.00000 F 0.44430 0.00000 0.28480 0.80000 OF 0.44430 0.00000 0.28480 0.20000 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 Ba 0.01464 0.00940 0.00941 0.00000 0.00095 0.00000 K 0.01464 0.00940 0.00941 0.00000 0.00095 0.00000 Sr 0.01464 0.00940 0.00941 0.00000 0.00095 0.00000 Na1 0.01130 0.00920 0.00800 0.00000 0.00480 0.00000 Na2 0.01920 0.01740 0.01440 0.00000 0.00490 0.00000 Ca2 0.01920 0.01740 0.01440 0.00000 0.00490 0.00000 Fe2 0.01920 0.01740 0.01440 0.00000 0.00490 0.00000 Mn2 0.01920 0.01740 0.01440 0.00000 0.00490 0.00000 Mg 0.01130 0.00160 0.01510 0.00000 -0.01100 0.00000 Fe 0.01130 0.00160 0.01510 0.00000 -0.01100 0.00000 Ti 0.01130 0.00160 0.01510 0.00000 -0.01100 0.00000 Ti 0.00979 0.00761 0.00630 0.00000 0.00066 0.00000 Nb 0.00979 0.00761 0.00630 0.00000 0.00066 0.00000 Si 0.00874 0.00533 0.00624 0.00007 0.00052 -0.00028 O1 0.01640 0.00820 0.00740 -0.00050 0.00080 0.00190 O2 0.01680 0.00780 0.00840 -0.00010 0.00230 -0.00250 O3 0.01370 0.00490 0.01070 0.00000 0.00060 0.00000 O4 0.00850 0.01520 0.01960 0.00020 -0.00040 -0.00160 O5 0.01180 0.03430 0.01340 0.00000 0.00040 0.00000 F 0.02210 0.03210 0.02410 0.00000 0.00540 0.00000 OF 0.02210 0.03210 0.02410 0.00000 0.00540 0.00000