Chrysoberyl
Hazen R M, Finger L W
Physics and Chemistry of Minerals 14 (1987) 426-434
High-temperature crystal chemistry of phenakite (Be2SiO4) and
Chrysoberyl (BeAl2O4)
Sample: T = 690 C
_database_code_amcsd 0007446
4.4457 9.4491 5.5011 90 90 90 Pbnm
atom     x      y     z Biso
Al1      0      0     0  .77
Al2  .9952 .27367   .25  .66
Be   .4357  .0930   .25 1.03
O1   .7885  .0903   .25  .75
O2   .2429  .4328   .25  .83
O3   .2579  .1627 .0154  .86