data_global _chemical_name_mineral 'Franklinfurnaceite' loop_ _publ_author_name 'Peacor D R' 'Rouse R C' 'Bailey S W' _journal_name_full 'American Mineralogist' _journal_volume 73 _journal_year 1988 _journal_page_first 876 _journal_page_last 887 _publ_section_title ; Crystal structure of franklinfurnaceite: A tri-dioctahedral zincosilicate intermediate between chlorite and mica ; _database_code_amcsd 0001192 _chemical_formula_sum 'Ca2 Mn3.05 Mg.65 Zn2.3 (Fe.75 Al.25) Si2 O18 H8' _cell_length_a 5.483 _cell_length_b 9.39 _cell_length_c 14.51 _cell_angle_alpha 90 _cell_angle_beta 97.04 _cell_angle_gamma 90 _cell_volume 741.421 _exptl_crystal_density_diffrn 3.650 _symmetry_space_group_name_H-M 'C 1 2 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' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ca 0.44620 0.00870 0.33090 1.00000 Mn1 0.00000 0.00000 0.00000 0.55000 Mg1 0.00000 0.00000 0.00000 0.30000 Zn1 0.00000 0.00000 0.00000 0.15000 Mn2 0.00000 0.32300 0.00000 1.00000 Mn3 0.00000 0.67070 0.00000 0.95000 Mg3 0.00000 0.67070 0.00000 0.05000 Fe4 0.00000 0.17570 0.50000 0.75000 Al4 0.00000 0.17570 0.50000 0.25000 Mn5 0.00000 0.84120 0.50000 0.55000 Mg5 0.00000 0.84120 0.50000 0.30000 Zn5 0.00000 0.84120 0.50000 0.15000 Zn 0.90410 0.17420 0.19930 1.00000 Si 0.90660 0.84040 0.20430 1.00000 O1 0.37260 0.33810 0.09070 1.00000 O2 0.36170 0.67790 0.06610 1.00000 O3 0.13820 0.33090 0.24400 1.00000 O4 0.08200 0.70540 0.24460 1.00000 O5 0.04390 -0.01100 0.24420 1.00000 O-H1 0.27640 0.18610 0.41840 1.00000 O-H2 0.30210 0.81990 0.41900 1.00000 O-H3 0.37110 -0.01900 0.07010 1.00000 O-H4 0.84410 0.01540 0.41670 1.00000 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 Ca 0.00700 0.00800 0.00900 0.00000 -0.00100 0.00100 Mn1 0.00500 0.00600 0.01300 0.00000 0.00000 0.00000 Mg1 0.00500 0.00600 0.01300 0.00000 0.00000 0.00000 Zn1 0.00500 0.00600 0.01300 0.00000 0.00000 0.00000 Mn2 0.00700 0.00500 0.01000 0.00000 0.00000 0.00000 Mn3 0.00500 0.00700 0.01300 0.00000 -0.00200 0.00000 Mg3 0.00500 0.00700 0.01300 0.00000 -0.00200 0.00000 Fe4 0.00600 0.00800 0.01000 0.00000 -0.00200 0.00000 Al4 0.00600 0.00800 0.01000 0.00000 -0.00200 0.00000 Mn5 0.00700 0.00700 0.00900 0.00000 -0.00100 0.00000 Mg5 0.00700 0.00700 0.00900 0.00000 -0.00100 0.00000 Zn5 0.00700 0.00700 0.00900 0.00000 -0.00100 0.00000 Zn 0.00700 0.00800 0.00900 0.00000 -0.00100 -0.00100 Si 0.00500 0.00600 0.00400 0.00100 -0.00100 -0.00100 O1 0.00600 0.01000 0.01800 0.00100 0.00200 -0.00200 O2 0.00500 0.01500 0.00600 -0.00300 -0.00300 0.00200 O3 0.01000 0.00600 0.01100 0.00000 -0.00200 -0.00300 O4 0.00900 0.01100 0.00700 0.00700 0.00100 0.00300 O5 0.00900 0.00900 0.01300 -0.00300 -0.00700 0.00200 O-H1 0.01900 0.01800 0.00800 0.00400 0.00200 -0.00200 O-H2 0.00600 0.01100 0.00500 -0.00200 0.00000 0.00300 O-H3 0.00700 0.01900 0.01000 -0.00100 -0.00900 0.00000 O-H4 0.00600 0.01600 0.01600 0.00500 -0.00800 -0.00200