data_global _chemical_name_mineral 'Almeidaite' loop_ _publ_author_name 'Menezes L A D' 'Chukanov N V' 'Rastsvetaeva R K' 'Aksenov S M' 'Pekov I V' 'Chaves M L S C' 'Richards R P' 'Atencio D' 'Brandao P R G' 'Scholz R' 'Krambrock K' 'Moreira R L' 'Guimaraes F S' 'Romano A W' 'Persiano A C' 'de Oliveira L C A' 'Ardisson J D' _journal_name_full 'Mineralogical Magazine' _journal_volume 79 _journal_year 2015 _journal_page_first 269 _journal_page_last 283 _publ_section_title ; Almeidaite, Pb(Mn,Y)Zn2(Ti,Fe3+)18O36(O,OH)2, a new crichtonite-group mineral, from Novo Horizonte, Bahia, Brazil ; _database_code_amcsd 0020699 _chemical_compound_source 'Novo Horizonte, Bahia, Brazil' _chemical_formula_sum 'Pb.59 Sr.12 Ca.04 La.03 Mn.72 Y.46 Zn1.44 Fe4.88 Ti13.44 O38 H.8' _cell_length_a 10.4359 _cell_length_b 10.4359 _cell_length_c 21.0471 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1985.101 _exptl_crystal_density_diffrn 4.612 _symmetry_space_group_name_H-M 'R -3' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-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 PbM0 0.00000 0.00000 0.00000 0.59000 0.04950 SrM0 0.00000 0.00000 0.00000 0.12000 0.04950 CaM0 0.00000 0.00000 0.00000 0.04000 0.04950 LaM0 0.00000 0.00000 0.00000 0.03000 0.04950 MnM1 0.33333 0.66667 0.16667 0.54000 0.01000 YM1 0.33333 0.66667 0.16667 0.46000 0.01000 ZnM2 0.00000 0.00000 0.30930 0.72000 0.00860 FeM3 -0.14580 0.03780 0.16540 0.73000 0.00990 TiM3 -0.14580 0.03780 0.16540 0.24000 0.00990 MnM3 -0.14580 0.03780 0.16540 0.03000 0.00990 TiM4 -0.42260 -0.01360 0.06560 1.00000 0.00880 TiM5 0.08820 0.33790 0.05890 1.00000 0.01110 FeM6 0.00000 0.00000 0.36940 0.25000 0.02060 O1 -0.30720 -0.07530 0.22640 1.00000 0.00780 O2 -0.29820 -0.06360 0.00700 1.00000 0.01140 O3 -0.25860 0.10530 0.11640 1.00000 0.00890 O4 0.04670 0.17390 0.11030 1.00000 0.00890 O5 -0.47770 -0.19980 0.10240 1.00000 0.01080 O6 0.05130 0.19780 0.33610 1.00000 0.00950 O7 0.00000 0.00000 0.21420 0.60000 0.01020 O-H7 0.00000 0.00000 0.21420 0.40000 0.01020 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 PbM0 0.03030 0.03030 0.08790 0.01520 0.00000 0.00000 SrM0 0.03030 0.03030 0.08790 0.01520 0.00000 0.00000 CaM0 0.03030 0.03030 0.08790 0.01520 0.00000 0.00000 LaM0 0.03030 0.03030 0.08790 0.01520 0.00000 0.00000 MnM1 0.00970 0.00970 0.01050 0.00490 0.00000 0.00000 YM1 0.00970 0.00970 0.01050 0.00490 0.00000 0.00000 ZnM2 0.00620 0.00620 0.01330 0.00310 0.00000 0.00000 FeM3 0.00890 0.00900 0.01310 0.00550 0.00070 0.00020 TiM3 0.00890 0.00900 0.01310 0.00550 0.00070 0.00020 MnM3 0.00890 0.00900 0.01310 0.00550 0.00070 0.00020 TiM4 0.00880 0.00850 0.01000 0.00510 0.00040 0.00010 TiM5 0.01080 0.00940 0.01370 0.00540 0.00040 0.00310 FeM6 0.01540 0.01540 0.03100 0.00770 0.00000 0.00000 O1 0.00700 0.00580 0.01210 0.00430 0.00130 0.00220 O2 0.01410 0.00930 0.01140 0.00640 0.00070 0.00020 O3 0.00440 0.00570 0.01540 0.00160 0.00200 0.00050 O4 0.00740 0.00520 0.01450 0.00350 0.00150 0.00290 O5 0.01620 0.00650 0.01290 0.00790 0.00050 0.00150 O6 0.00940 0.00890 0.01180 0.00570 0.00150 0.00200 O7 0.00320 0.00320 0.02400 0.00160 0.00000 0.00000 O-H7 0.00320 0.00320 0.02400 0.00160 0.00000 0.00000