Tungstite Szymanski J T, Roberts A C The Canadian Mineralogist 22 (1984) 681-688 The crystal structure of tungstite, WO3.H2O _database_code_amcsd 0005199 5.249 10.711 5.133 90 90 90 Pmnb atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) W .25 .22090 -.0037 .0072 .0154 .0083 0 0 -.0028 O1 .25 .436 .075 .034 .024 .015 0 0 -.0020 O2 .25 .066 -.064 .017 .020 .015 0 0 .0020 O3 .495 .227 .249 .061 .020 .074 -.0060 -.0060 -.0060 H1 .25 .479 .200 .0330 .0330 .0330 0 0 0 H2 .25 .478 -.055 .0330 .0330 .0330 0 0 0