Goethite Nagai T, Kagi H, Yamanaka T American Mineralogist 88 (2003) 1423-1427 Variation of hydrogen bonded O...O distances in goethite at high pressure Sample at P = 6.3 GPa _database_code_amcsd 0003168 4.5086 9.8759 2.9910 90 90 90 Pbnm atom x y z Fe -.0472 .1454 .25 O1 .295 -.1960 .25 O2 -.203 -.0538 .25