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 = 490 C
_database_code_amcsd 0007445
4.438 9.429 5.492 90 90 90 Pbnm
atom     x      y     z Biso
Al1      0      0     0  .54
Al2  .9950 .27332   .25  .43
Be   .4353  .0929   .25  .84
O1   .7883  .0904   .25  .57
O2   .2424  .4330   .25  .59
O3   .2576  .1628 .0156  .61