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 = 270 C
_database_code_amcsd 0007444
4.4275 9.4063 5.477 90 90 90 Pbnm
atom     x      y     z Biso
Al1      0      0     0  .46
Al2  .9950 .27323   .25  .33
Be   .4340  .0925   .25  .61
O1   .7880  .0900   .25  .46
O2   .2423  .4334   .25  .49
O3   .2570  .1632 .0154  .52