Guanajuatite Atabaeva E Y, Mashkov S A, Popova S V Kristallografiya 18 (1973) 173-174 The crystal structure of a new modification of Bi2Se3-II Locality: Guanajuato, Mexico _database_code_amcsd 0014181 11.83 4.09 11.62 90 90 90 Pnma atom x y z Bi1 .012 .25 .328 Bi2 .343 .25 .534 Se1 .067 .25 .876 Se2 .870 .25 .556 Se3 .213 .25 .193