Zircon Hazen R M, Finger L W American Mineralogist 64 (1979) 196-201 Crystal structure and compressibility of zircon at high pressure crystal No. 1, 1 atm - before P _database_code_amcsd 0000697 6.6042 6.6042 5.9796 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 .00171 .00171 .00161 0 0 0 Si 0 .25 .375 .00191 .00191 .001857 0 0 0 O 0 .0660 .1951 .0048 .0022 .0020 0 0 -.0006