data_global _chemical_name_mineral 'Artroeite' loop_ _publ_author_name 'Kampf A R' 'Foord E E' _journal_name_full 'American Mineralogist' _journal_volume 80 _journal_year 1995 _journal_page_first 179 _journal_page_last 183 _publ_section_title ; Artroeite, PbAlF3(OH)2, a new mineral from the Grand Reef mine, Graham County, Arizona: Description and crystal structure ; _database_code_amcsd 0001717 _chemical_formula_sum 'Pb Al F3 O2 H2' _cell_length_a 6.270 _cell_length_b 6.821 _cell_length_c 5.057 _cell_angle_alpha 90.68 _cell_angle_beta 107.69 _cell_angle_gamma 104.46 _cell_volume 198.618 _exptl_crystal_density_diffrn 5.438 _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_U_iso_or_equiv Pb 0.30975 0.19142 0.20352 ? Al 0.81100 0.32730 0.83640 ? F1 0.79500 0.13780 0.57510 ? F2 0.74070 0.48910 0.56270 ? F3 0.51370 0.23080 0.81130 ? O-h1 0.86290 0.55140 0.09810 ? O-h2 0.89810 0.14320 0.09880 ? H1 0.80700 0.50900 0.25300 0.02000 H2 0.86200 0.12200 0.25500 0.02000 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 Pb 0.00866 0.00607 0.01400 0.00235 0.00339 0.00156 Al 0.00850 0.00470 0.01000 0.00160 0.00310 0.00120 F1 0.01700 0.00690 0.01500 0.00300 0.00900 0.00030 F2 0.01200 0.00810 0.01100 0.00430 0.00200 0.00280 F3 0.00900 0.01050 0.02300 0.00010 0.00600 0.00200 O-h1 0.00800 0.00730 0.01300 0.00270 0.00500 0.00100 O-h2 0.01000 0.00760 0.00700 0.00300 0.00300 0.00210