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 = 5.4 GPa _database_code_amcsd 0007432 4.400 9.343 5.442 90 90 90 Pbnm atom x y z Biso Al1 0 0 0 .75 Al2 .9940 .2720 .25 .57 Be .4332 .0895 .25 .7 O1 .7924 .0934 .25 1.18 O2 .2461 .4321 .25 1.72 O3 .2538 .1629 .0147 .51