data_global _chemical_name_mineral 'Lusernaite-(Y)' loop_ _publ_author_name 'Biagioni C' 'Bonaccorsi E' 'Camara F' 'Cadoni M' 'Ciriotti M E' 'Bersani D' 'Kolitsch U' _journal_name_full 'American Mineralogist' _journal_volume 98 _journal_year 2013 _journal_page_first 1322 _journal_page_last 1329 _publ_section_title ; Lusernaite-(Y), Y4Al(CO3)2(OH,F)11*6H2O, a new mineral species from Luserna Valley, Piedmont, Italy: Description and crystal structure ; _database_code_amcsd 0019909 _chemical_compound_source 'Dora-Maira massif, Western Alps, Italy' _chemical_formula_sum 'Y3.41 Er.15 Yb.09 Gd.07 Ca.05 Sm.01 Pb.057 Dy.17 Al C2 O22.34 F.66 H22.34' _cell_length_a 7.8412 _cell_length_b 11.0313 _cell_length_c 11.3870 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 984.960 _exptl_crystal_density_diffrn 2.837 _symmetry_space_group_name_H-M 'P m n a' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,-y,1/2+z' '1/2-x,y,1/2-z' '-x,y,z' 'x,-y,-z' '1/2+x,y,1/2-z' '1/2-x,-y,1/2+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 Y1 0.25000 0.49751 0.75000 0.79000 0.01710 Er1 0.25000 0.49751 0.75000 0.07500 0.01710 Yb1 0.25000 0.49751 0.75000 0.04500 0.01710 Gd1 0.25000 0.49751 0.75000 0.03500 0.01710 Ca1 0.25000 0.49751 0.75000 0.02500 0.01710 Sm1 0.25000 0.49751 0.75000 0.00500 0.01710 Pb1A 0.25000 0.57000 0.75000 0.01500 0.01710 Pb1B 0.25000 0.40900 0.75000 0.01350 0.01710 Y2 0.00000 0.23037 0.84868 0.91500 0.02030 Dy2 0.00000 0.23037 0.84868 0.08500 0.02030 Al 0.00000 0.50000 1.00000 1.00000 0.01820 C 0.50000 0.68270 0.91520 1.00000 0.02100 O-H1 -0.16250 0.39490 0.92720 1.00000 0.02330 O2 0.35730 0.64240 0.87450 1.00000 0.03400 O3 0.50000 0.75870 0.99880 1.00000 0.02600 F4 -0.25000 0.21360 0.75000 0.33000 0.02700 O-H4 -0.25000 0.21360 0.75000 0.67000 0.02700 O-H5 0.00000 0.41770 1.14370 1.00000 0.02000 O-H6 0.00000 0.38730 0.70910 1.00000 0.02100 Ow1 -0.18760 0.13480 0.98540 1.00000 0.05500 Hw1 -0.20110 0.03660 0.98870 1.00000 0.05000 Hw2 -0.31400 0.15790 1.01420 1.00000 0.05000 Wat2 0.00000 0.03300 0.76970 0.50000 0.09400 O-H2 0.00000 0.03300 0.76970 0.50000 0.09400 Wat3 -0.25000 -0.14100 0.75000 0.50000 0.10100 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 Y1 0.01200 0.02810 0.01110 0.00000 0.00070 0.00000 Er1 0.01200 0.02810 0.01110 0.00000 0.00070 0.00000 Yb1 0.01200 0.02810 0.01110 0.00000 0.00070 0.00000 Gd1 0.01200 0.02810 0.01110 0.00000 0.00070 0.00000 Ca1 0.01200 0.02810 0.01110 0.00000 0.00070 0.00000 Sm1 0.01200 0.02810 0.01110 0.00000 0.00070 0.00000 Pb1A 0.01200 0.02810 0.01110 0.00000 0.00070 0.00000 Pb1B 0.01200 0.02810 0.01110 0.00000 0.00070 0.00000 Y2 0.01660 0.02820 0.01600 0.00000 0.00000 0.00010 Dy2 0.01660 0.02820 0.01600 0.00000 0.00000 0.00010 Al 0.01200 0.03400 0.00900 0.00000 0.00000 -0.00200 C 0.01600 0.03600 0.01200 0.00000 0.00000 0.00700 O-H1 0.01100 0.04600 0.01300 0.00100 0.00100 -0.00100 O2 0.01700 0.05400 0.03000 -0.00700 0.00700 -0.00900 O3 0.02200 0.03800 0.01800 0.00000 0.00000 -0.01100 F4 0.01600 0.04600 0.02000 0.00000 0.00000 0.00000 O-H4 0.01600 0.04600 0.02000 0.00000 0.00000 0.00000 O-H5 0.02100 0.03300 0.00600 0.00000 0.00000 0.00700 O-H6 0.01900 0.03700 0.00700 0.00000 0.00000 0.00700 Ow1 0.05200 0.06300 0.05000 0.00700 0.01600 0.01900 Wat2 0.09100 0.10300 0.08700 0.00000 0.00000 -0.03600 O-H2 0.09100 0.10300 0.08700 0.00000 0.00000 -0.03600