Beryllium Gordon P Journal of Applied Physics 20 (1949) 908-917 A high temperature precision X-ray camera: some measurements of the thermal coefficients of expansion of beryllium Locality: synthetic Sample: at T = 239 C _database_code_amcsd 0012884 2.2932 2.2932 3.5930 90 90 120 P6_3/mmc atom x y z Be 1/3 2/3 .25