Berlinite Christie D M, Chelikowsky J R Physics and Chemistry of Minerals 25 (1998) 222-226 Structural properties of alpha-berlinite (AlPO4) Sample: V = 61.73, theoretical _database_code_amcsd 0008136 4.5191 4.5191 10.471 90 90 120 *P3_121 0 0 .333333333 atom x y z Al .4412 0 0 P .4373 0 .5 O1 .3982 .3326 .0522 O2 .3892 .2979 .5354