Catapleite Brunovskii B Trav. Inst. Lomonossoff 6 (1935) 34-44 Die Struktur des Katapleits (Na2 Zr Si3 O9 * 2(H2 O)) _cod_database_code 1011345 _database_code_amcsd 0018182 7.39 7.39 10.05 90 90 120 P6_3/mmc atom x y z occ Zr1 0 0 0 Si1 .2 .8 .25 Na1 1/3 2/3 .08 O1 .47 .53 .25 O2 .135 .865 .125 O3 .5 0 0 .667