data_global _chemical_name_mineral 'Vigrishinite' loop_ _publ_author_name 'Pekov I V' 'Britvin S N' 'Zubkova N V' 'Chukanov N V' 'Bryzfalov I A' 'Lykova I S' 'Belakovskiy D I' 'Pushcharovsky D Y' _journal_name_full 'Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva' _journal_volume 141 _journal_year 2012 _journal_page_first 12 _journal_page_last 27 _publ_section_title ; Vigrishinite, Zn2Ti4-xSi4O14(OH,H2O,[_])8, a new mineral from Lovozero alkaline massif (Kola Peninsula, Russia) ; _database_code_amcsd 0020035 _chemical_compound_source 'Lovozero alkaline massif, Kola Peninsula, Russia' _chemical_formula_sum 'Ti5.32 Nb.82 Zr.24 Fe.36 Zn2.62 Mg.14 Mn.44 K.16 Ba.04 Na.46 Ca.12 Si8 O41.42 H1.6' _cell_length_a 8.743 _cell_length_b 8.698 _cell_length_c 11.581 _cell_angle_alpha 91.54 _cell_angle_beta 98.29 _cell_angle_gamma 105.65 _cell_volume 837.184 _exptl_crystal_density_diffrn 2.951 _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 Ti1 0.19730 -0.02350 0.27890 0.53000 0.04520 Nb1 0.19730 -0.02350 0.27890 0.20000 0.04520 Zr1 0.19730 -0.02350 0.27890 0.06000 0.04520 Ti2 0.33680 0.48480 0.72940 0.53000 0.04720 Nb2 0.33680 0.48480 0.72940 0.21000 0.04720 Zr2 0.33680 0.48480 0.72940 0.06000 0.04720 Ti3 0.68670 0.08610 0.98540 1.00000 0.04950 Ti4 0.80320 0.44960 0.00570 0.60000 0.03320 Fe4 0.80320 0.44960 0.00570 0.18000 0.03320 Zn1 0.57110 0.25560 0.71490 0.90000 0.04510 Zn2 0.50000 0.00000 0.50000 0.26000 0.03840 Mg2 0.50000 0.00000 0.50000 0.14000 0.03840 MnB1 0.42950 0.31690 0.99330 0.22000 0.05600 KB2 0.04940 0.13500 0.01520 0.08000 0.03300 BaB2 0.04940 0.13500 0.01520 0.02000 0.03300 ZnB3 0.01900 0.17100 0.28800 0.05000 0.01700 Zn3* -0.08500 0.25200 0.28400 0.03000 0.03200 NaA1 0.06900 0.42100 0.50510 0.23000 0.04900 CaA1 0.06900 0.42100 0.50510 0.06000 0.04900 ZnA2 0.28900 0.23030 0.48930 0.20000 0.03740 Si1 0.42450 0.88670 0.75880 1.00000 0.04220 Si2 0.26030 0.37510 0.23100 1.00000 0.04430 Si3 0.04840 0.58540 0.24530 1.00000 0.04320 Si4 0.20930 0.09210 0.77260 1.00000 0.04380 O1 0.23100 -0.00200 0.46120 0.91000 0.06500 O2 0.11980 0.43330 0.28440 1.00000 0.05200 O3 0.25470 0.20280 0.27940 1.00000 0.05300 O4 0.18880 -0.04220 0.11630 1.00000 0.05500 O5 -0.02490 -0.06920 0.27710 1.00000 0.05200 O6 0.80670 0.25840 0.70580 1.00000 0.04500 O7 0.38900 0.70240 0.71610 1.00000 0.05900 O8 0.25430 0.93320 0.72320 1.00000 0.05400 O9 0.98570 0.42390 0.89730 1.00000 0.04800 O10 0.56780 0.49220 0.72700 1.00000 0.05000 O11 0.55890 0.00840 0.69920 1.00000 0.04500 O12 0.32900 0.24910 0.72920 1.00000 0.05200 O13 0.76050 -0.09010 0.08120 1.00000 0.05800 O14 0.84020 0.25470 0.08020 1.00000 0.04800 O15 0.52270 0.24290 0.52990 0.78000 0.04600 O16 0.11090 0.43250 0.69220 1.00000 0.05200 O17 0.77550 0.62440 0.91280 1.00000 0.06000 O18 0.51960 0.07910 0.09820 1.00000 0.04400 O19 0.64120 0.27320 0.90980 1.00000 0.05100 O20 0.32990 0.50670 0.89030 0.84000 0.04400 O21 0.31900 0.45860 0.54450 0.78000 0.04600 Wat22 0.01200 0.23300 0.47400 0.40000 0.06600