Kanemite Garvie L A J, Devouard B, Groy T L, Camara F, Buseck P R American Mineralogist 84 (1999) 1170-1175 Crystal structure of kanemite, NaHSi2O5.3H2O, from the Aris phonolite, Namibia _database_code_amcsd 0002274 4.946 20.502 7.275 90 90 90 Pbcn atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Si .0497 .2925 .0391 .0010 .0018 .0011 .0000 .0001 .0002 Na .5 .5115 -.25 .0034 .0029 .0025 0 .0000 0 O1 0 .3128 .25 .0033 .0042 .0014 0 .0004 0 O2 .0042 .3571 -.0790 .0031 .0023 .0014 .0003 .0000 .0003 O3 -.1438 .2326 -.0181 .0011 .0025 .0043 -.0008 -.0001 -.0001 O4 .4876 .5754 .0267 .0037 .0023 .0039 -.0002 .0001 -.0001 O5 0 .5411 -.25 .0029 .0060 .0111 0 .0003 0 H2A .0193 .3795 -.1989 .036 H4A .6450 .4020 -.0510 .065 H4B .3640 .4060 -.0430 .085 H5A .0067 .5071 -.3347 .170