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 = 20.3 GPa _database_code_amcsd 0008438 4.2835 4.2835 2.8193 90 90 90 P4_2/mnm atom x y z Ge 0 0 0 O .2985 .2985 0