Zircon Robinson K, Gibbs G V, Ribbe P H American Mineralogist 56 (1971) 782-790 The structure of zircon: A comparison with garnet _database_code_amcsd 0000237 6.607 6.607 5.982 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 .00096 .00096 .0012 0 0 0 Si 0 .75 .625 .0014 .0014 .0027 0 0 0 O 0 .0661 .1953 .0037 .0031 .0029 0 0 0