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 = 6.25 GPa _database_code_amcsd 0007433 4.398 9.329 5.436 90 90 90 Pbnm atom x y z Biso Al1 0 0 0 .86 Al2 .9937 .2731 .25 .66 Be .4333 .0902 .25 .55 O1 .7896 .0886 .25 .69 O2 .2454 .4328 .25 .98 O3 .2534 .1623 .0154 1.00