Zircon Hazen R M, Finger L W American Mineralogist 64 (1979) 196-201 Crystal structure and compressibility of zircon at high pressure crystal No. 2, P = 48.1 kbar _database_code_amcsd 0000704 6.5531 6.5531 5.9519 90 90 90 *I4_1/amd 0 -.25 .125 atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Zr 0 .75 .125 .0018 .0018 .0021 0 0 0 Si 0 .25 .375 .0017 .0017 .0040 0 0 0 O 0 .0659 .1956 .0040 .0021 .0055 0 0 -.0014