data_global _chemical_name_mineral 'Postite' loop_ _publ_author_name 'Kampf A R' 'Hughes J M' 'Marty J' 'Nash B' _journal_name_full 'The Canadian Mineralogist' _journal_volume 50 _journal_year 2012 _journal_page_first 45 _journal_page_last 53 _publ_section_title ; Postite, Mg(H2O)6Al2(OH)2(H2O)8(V10O28)*13H2O, a new mineral species from the La Sal Mining District, Utah: Crystal structure and descriptive mineralogy ; _database_code_amcsd 0019040 _chemical_compound_source 'La Sal Mining District, Utah, USA' _chemical_formula_sum 'Mg Al2 V10 O57 H56' _cell_length_a 16.3357 _cell_length_b 24.2434 _cell_length_c 11.7343 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 4647.169 _exptl_crystal_density_diffrn 2.224 _symmetry_space_group_name_H-M 'P c c n' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '1/2-x,y,1/2+z' '1/2+x,-y,1/2-z' '1/2+x,1/2+y,-z' '1/2-x,1/2-y,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 Mg 0.25000 0.75000 0.57380 1.00000 0.05010 Al 0.94127 0.95683 0.00276 1.00000 0.01850 V1 0.94897 0.01624 0.38422 1.00000 0.01640 V2 0.05671 0.90690 0.39871 1.00000 0.01850 V3 0.04065 0.12796 0.38343 1.00000 0.02190 V4 0.14300 0.01971 0.38876 1.00000 0.01760 V5 0.86511 0.90308 0.39945 1.00000 0.01980 O1 0.04530 0.98160 0.32340 1.00000 0.01740 O2 0.87750 0.04320 0.50250 1.00000 0.01740 O3 0.96340 0.88471 0.32260 1.00000 0.01890 O4 0.87940 0.97699 0.31580 1.00000 0.01860 O5 0.95650 0.07607 0.30970 1.00000 0.01930 O6 0.88300 0.85095 0.51090 1.00000 0.02070 O7 0.11670 0.08201 0.31100 1.00000 0.01950 O8 0.04650 0.85751 0.51450 1.00000 0.02070 O9 0.20030 0.05520 0.50080 1.00000 0.01990 O10 0.12880 0.88076 0.32280 1.00000 0.02630 O11 0.79680 0.87487 0.32120 1.00000 0.02590 O12 0.03470 0.17922 0.29640 1.00000 0.03100 O13 0.21180 0.99209 0.30990 1.00000 0.02300 O14 0.96180 0.95102 0.50290 1.00000 0.01690 OW1 0.91640 0.90080 0.10740 1.00000 0.02510 H1a 0.87400 0.87900 0.10000 1.00000 0.05000 H1b 0.93900 0.89600 0.17600 1.00000 0.05000 OW2 0.85270 0.93330 0.91050 1.00000 0.02800 H2a 0.85700 0.92400 0.83800 1.00000 0.05000 H2b 0.80100 0.94000 0.93100 1.00000 0.05000 OW3 0.99110 0.09408 0.07810 1.00000 0.02560 H3a 0.99600 0.12900 0.05300 1.00000 0.05000 H3b 0.97100 0.09500 0.14900 1.00000 0.05000 OW4 0.86270 0.00550 0.07570 1.00000 0.02670 H4a 0.84000 0.00600 0.14400 1.00000 0.05000 H4b 0.84200 0.03100 0.03300 1.00000 0.05000 OW5a 0.17880 0.78620 0.47320 0.50000 0.05200 OW5b 0.16860 0.76670 0.42970 0.50000 0.04600 H5a 0.15300 0.74900 0.41300 1.00000 0.05000 H5b 0.15200 0.79800 0.48300 1.00000 0.05000 OW6a 0.32080 0.75410 0.71840 0.50000 0.05200 OW6b 0.33500 0.69290 0.65900 0.50000 0.05000 H6a 0.37400 0.69000 0.65500 1.00000 0.05000 H6b 0.32400 0.72500 0.72800 1.00000 0.05000 OW7a 0.18380 0.68810 0.61770 0.50000 0.04900 OW7b 0.19140 0.67220 0.52370 0.50000 0.05000 H7a 0.18700 0.64900 0.56200 1.00000 0.05000 H7b 0.14700 0.68800 0.63800 1.00000 0.05000 OW8 0.79450 0.82910 0.07750 1.00000 0.03650 H8a 0.74200 0.83600 0.07100 1.00000 0.05000 H8b 0.80800 0.80300 0.02800 1.00000 0.05000 OW9 0.01710 0.79940 0.96440 1.00000 0.04520 H9a -0.02800 0.78400 0.93900 1.00000 0.05000 H9b 0.02400 0.79600 0.03800 1.00000 0.05000 OW10 0.02160 0.78890 0.20460 1.00000 0.04280 H10a -0.00100 0.75660 0.21200 1.00000 0.05000 H10b 0.00600 0.81480 0.25000 1.00000 0.05000 OW11 0.72400 0.06830 0.41470 1.00000 0.04400 H11a 0.77300 0.05800 0.44200 1.00000 0.05000 H11b 0.71600 0.05100 0.34900 1.00000 0.05000 OW12 0.81370 0.13290 0.18050 1.00000 0.13300 H12a 0.83700 0.15800 0.21900 1.00000 0.05000 H12b 0.77000 0.14200 0.14300 1.00000 0.05000 OW13 0.86230 0.74360 0.42250 1.00000 0.04780 H13a 0.87000 0.77570 0.45200 1.00000 0.05000 H13b 0.83800 0.74200 0.35900 1.00000 0.05000 OW14 0.75000 0.75000 0.24800 1.00000 0.04500 H14 0.73300 0.71900 0.21400 1.00000 0.05000 O-OH 0.02640 0.98487 0.08920 1.00000 0.01920 H-OH 0.03500 0.98500 0.16300 1.00000 0.05000