data_global _chemical_name_mineral 'Kalifersite' loop_ _publ_author_name 'Ferraris G' 'Khomyakov A P' 'Belluso E' 'Soboleva S V' _journal_name_full 'European Journal of Mineralogy' _journal_volume 10 _journal_year 1998 _journal_page_first 865 _journal_page_last 874 _publ_section_title ; Kalifersite, a new alkaline silicate from Kola Peninsula (Russia) based on a palygorskite-sepiolite polysomatic series ; _database_code_amcsd 0006753 _chemical_compound_source 'Kola Peninsula, Russia' _chemical_formula_sum '(K3.6 Na1.4) Fe4.95 Mn.72 Mg.63 Ca.18 Si20 O68 H30' _cell_length_a 14.86 _cell_length_b 20.54 _cell_length_c 5.29 _cell_angle_alpha 95.6 _cell_angle_beta 92.3 _cell_angle_gamma 94.4 _cell_volume 1600.349 _exptl_crystal_density_diffrn 2.274 _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 K1 0.51900 0.10800 0.06900 0.72000 Na1 0.51900 0.10800 0.06900 0.28000 K2 0.01000 0.27400 -0.00400 0.72000 Na2 0.01000 0.27400 -0.00400 0.28000 K3 0.00000 0.50000 0.50000 0.72000 Na3 0.00000 0.50000 0.50000 0.28000 Fe1 0.00000 0.00000 0.00000 0.55000 Mn1 0.00000 0.00000 0.00000 0.08000 Mg1 0.00000 0.00000 0.00000 0.07000 Ca1 0.00000 0.00000 0.00000 0.02000 Fe2 0.00000 0.07700 0.50700 0.55000 Mn2 0.00000 0.07700 0.50700 0.08000 Mg2 0.00000 0.07700 0.50700 0.07000 Ca2 0.00000 0.07700 0.50700 0.02000 Fe3 0.50800 0.31800 0.17500 0.55000 Mn3 0.50800 0.31800 0.17500 0.08000 Mg3 0.50800 0.31800 0.17500 0.07000 Ca3 0.50800 0.31800 0.17500 0.02000 Fe4 0.50600 0.38900 0.70200 0.55000 Mn4 0.50600 0.38900 0.70200 0.08000 Mg4 0.50600 0.38900 0.70200 0.07000 Ca4 0.50600 0.38900 0.70200 0.02000 Fe5 0.50100 0.46300 0.23400 0.55000 Mn5 0.50100 0.46300 0.23400 0.08000 Mg5 0.50100 0.46300 0.23400 0.07000 Ca5 0.50100 0.46300 0.23400 0.02000 Si1 0.18100 0.06800 0.83400 1.00000 Si2 0.17600 0.12200 0.33400 1.00000 Si3 0.31900 0.30600 0.81600 1.00000 Si4 0.31500 0.44800 0.87600 1.00000 Si5 0.31900 0.23500 0.27400 1.00000 Si6 0.31100 0.52500 0.41500 1.00000 Si7 0.30000 0.67000 0.47200 1.00000 Si8 0.29300 0.74200 -0.00300 1.00000 Si9 0.19100 0.93200 0.79600 1.00000 Si10 0.19200 0.86600 0.26800 1.00000 O1 0.07400 0.07800 0.84300 1.00000 O-H2 0.08000 0.00400 0.34000 1.00000 O-H2 0.07500 0.14700 0.28300 1.00000 O4 0.42800 0.31200 0.83300 1.00000 O5 0.42400 0.45600 0.88900 1.00000 O6 0.42700 0.23400 0.25300 1.00000 O7 0.42300 0.38300 0.36100 0.50000 O-H7 0.42300 0.38300 0.36100 0.50000 O8 0.42000 0.53100 0.42400 1.00000 O9 0.41300 0.60200 -0.04800 0.50000 O-H9 0.41300 0.60200 -0.04800 0.50000 O10 0.41100 0.67700 0.48300 1.00000 O11 0.40300 0.74800 0.98200 1.00000 O12 0.08200 0.93200 0.81600 1.00000 O13 0.08100 0.85800 0.27400 1.00000 O14 0.20800 0.00100 0.67300 1.00000 O15 0.20700 0.12100 0.63500 1.00000 O16 0.19500 0.05900 0.13600 1.00000 O17 0.26000 0.16500 0.22500 1.00000 O18 0.27400 0.27300 0.05000 1.00000 O19 0.28500 0.26600 0.54600 1.00000 O20 0.27000 0.37300 0.83900 1.00000 O21 0.27900 0.47400 0.61500 1.00000 O22 0.28700 0.48300 0.14400 1.00000 O23 0.26500 0.59300 0.48000 1.00000 O24 0.25900 0.71600 0.70400 1.00000 O25 0.26700 0.68600 0.18900 1.00000 O26 0.24500 0.80500 0.13200 1.00000 O27 0.21600 0.92600 0.09500 1.00000 O28 0.21900 0.87700 0.57400 1.00000 Wat29 0.35100 0.01300 0.99900 1.00000 Wat30 0.61300 0.10700 0.57900 1.00000 Wat31 0.13000 0.41400 0.17900 1.00000 Wat32 0.89100 0.38100 0.75500 1.00000 Wat33 0.06000 0.29300 0.50000 1.00000 Wat34 0.14700 0.52300 0.90200 1.00000