Chrysoberyl Farrell E F, Fang J H, Newnham R E American Mineralogist 48 (1963) 804-810 Refinement of the chrysoberyl structure _database_code_amcsd 0000124 9.404 5.476 4.427 90 90 90 Pnma atom x y z Biso Al1 0 0 0 .073 Al2 .27319 .25 -.00595 .103 Be .09294 .25 .43347 .151 O1 .09051 .25 .79016 .061 O2 .43343 .25 .24097 .226 O3 .16318 .01718 .25850 .140