Brucite Nagai T, Hattori T, Yamanaka T American Mineralogist 85 (2000) 760-764 Compression mechanism of brucite: An investigation by the structural refinement under pressure Sample: P = 6.2 GPa _database_code_amcsd 0002434 3.0763 3.0763 4.549 90 90 120 P-3m1 atom x y z Mg 0 0 0 O 1/3 2/3 .235