Euclase Biscoe J, Warren B Zeitschrift fur Kristallographie 86 (1933) 292-297 The structure of Euclase H Be Al Si O5 _cod_database_code 1011072 _database_code_amcsd 0017971 4.62 14.24 4.75 90 79.73 90 P2_1/c atom x y z Be1 .5 -.2 .2 Al1 .03 -.06 .25 Si1 .47 .1 .15 O1 .22 .05 .39 O2 .26 -.03 -.17 O3 .54 .19 .37 O4 -.28 -.15 .11 O5 .22 -.17 .31