Chrysoberyl Hazen R M Physics and Chemistry of Minerals 14 (1987) 13-20 High-pressure crystal chemistry of chrysoberyl, Al2BeO4: insights on the origin of olivine elastic anisotropy Sample: P = 3.15 GPa _database_code_amcsd 0007430 4.413 9.373 5.458 90 90 90 Pbnm atom x y z Biso Al1 0 0 0 .78 Al2 .9947 .2732 .25 .72 Be .4291 .0935 .25 .3 O1 .7855 .0883 .25 .80 O2 .2408 .4346 .25 .86 O3 .2552 .1622 .0145 1.24