Argutite Haines J, Leger J M, Chateau C, Pereira A S Physics and Chemistry of Minerals 27 (2000) 575-582 Structural evolution of rutile-type and CaCl2-type germanium dioxide at high pressure Sample: rutile-type, P = 4.2 GPa _database_code_amcsd 0008432 4.3751 4.3751 2.8511 90 90 90 P4_2/mnm atom x y z Ge 0 0 0 O .3048 .3048 0