data_global _chemical_name_mineral 'Kolskyite' loop_ _publ_author_name 'Camara F' 'Sokolova E' 'Abdu Y' 'Hawthorne F C' 'Khomyakov A P' _journal_name_full 'The Canadian Mineralogist' _journal_volume 51 _journal_year 2013 _journal_page_first 921 _journal_page_last 936 _publ_section_title ; Kolskyite, (Ca[_])Na2Ti4(Si2O7)2O4(H2O)7, a group-IV Ti-disilicate mineral from the Khibiny alkaline massif, Kola Peninsula, Russia: Description and crystal structure ; _database_code_amcsd 0020036 _chemical_compound_source 'Khibiny alkaline massif, Kola Peninsula, Russia' _chemical_formula_sum 'Ti1.465 Mn.185 Nb.23 Fe.05 Zr.005 Na.965 Ca.35 Mg.085 Si2 Sr.225 Ba.095 K.075 O12.335 F.165 H6.8' _cell_length_a 5.387 _cell_length_b 7.091 _cell_length_c 15.473 _cell_angle_alpha 96.580 _cell_angle_beta 93.948 _cell_angle_gamma 89.818 _cell_volume 585.763 _exptl_crystal_density_diffrn 2.508 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,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 TiMO(1) 0.22670 0.38225 0.49412 0.78000 0.01880 MnMO(1) 0.22670 0.38225 0.49412 0.11500 0.01880 NbMO(1) 0.22670 0.38225 0.49412 0.05000 0.01880 Fe2+MO(1) 0.22670 0.38225 0.49412 0.05000 0.01880 ZrMO(1) 0.22670 0.38225 0.49412 0.00500 0.01880 NaMO(2) 0.24120 0.88230 0.49410 0.96500 0.02400 MnMO(2) 0.24120 0.88230 0.49410 0.02000 0.02400 CaMO(2) 0.24120 0.88230 0.49410 0.01500 0.02400 TiMH 0.05680 0.09422 0.29925 0.68500 0.01430 NbMH 0.05680 0.09422 0.29925 0.18000 0.01430 MgMH 0.05680 0.09422 0.29925 0.08500 0.01430 MnMH 0.05680 0.09422 0.29925 0.05000 0.01430 Si(1) 0.57030 0.81110 0.33161 1.00000 0.01130 Si(2) 0.55370 0.37880 0.32064 1.00000 0.01000 CaAP 0.03840 0.57780 0.22040 0.33500 0.03470 SraAP 0.03840 0.57780 0.22040 0.17000 0.03470 BaAP 0.03840 0.57780 0.22040 0.09500 0.03470 KAP 0.03840 0.57780 0.22040 0.07500 0.03470 WatBP 0.53210 0.05080 0.16090 0.55000 0.02020 SrBP 0.53210 0.05080 0.16090 0.05500 0.02020 O(1) 0.60280 0.81640 0.43540 1.00000 0.02490 O(2) 0.55580 0.59040 0.28850 1.00000 0.02090 O(3) 0.31300 0.90190 0.29940 1.00000 0.03010 O(4) 0.29960 0.28300 0.27600 1.00000 0.02080 O(5) 0.81000 0.89770 0.29370 1.00000 0.02920 O(6) 0.55470 0.39910 0.42610 1.00000 0.01520 O(7) 0.79490 0.27640 0.28100 1.00000 0.02250 OXOM 0.08400 0.16140 0.41790 1.00000 0.02400 OXOA 0.05420 0.58250 0.43290 0.83500 0.01470 FXOA 0.05420 0.58250 0.43290 0.16500 0.01470 WatXPM 0.03230 0.03380 0.16010 0.80000 0.03700 O-HXPM 0.03230 0.03380 0.16010 0.20000 0.03700 WatXPA(1) 0.83200 0.33600 0.09100 0.16000 0.04200 WatXPA(2) 0.25000 0.69200 0.08800 0.16000 0.04800 WatXPA(3) 0.75400 0.71100 0.09300 0.16000 0.04900 WatXPA(4) 0.23600 0.34000 0.08600 0.16000 0.05000 WatXPB 0.56800 0.71700 0.09400 0.16000 0.06300 Wat(1) 0.15300 0.99300 0.00100 0.30000 0.04700 Wat(2) 0.71400 0.50000 -0.00230 0.50000 0.03900 Wat(3) 0.52800 0.04200 0.11900 0.35000 0.02200