Berlinite Christie D M, Chelikowsky J R Physics and Chemistry of Minerals 25 (1998) 222-226 Structural properties of alpha-berlinite (AlPO4) Sample: V = 77.16, theoretical _database_code_amcsd 0008130 4.9414 4.9414 10.947 90 90 120 *P3_121 0 0 .333333333 atom x y z Al .4663 0 0 P .4665 0 .5 O1 .4170 .2920 .0640 O2 .4160 .2590 .5507