Spodumene Warren B, Biscoe J Zeitschrift fur Kristallographie 80 (1931) 391-401 The crystal structure of monoclinic pyroxenes _cod_database_code 1011191 _database_code_amcsd 0018064 9.5 8.3 5.24 90 69.67 90 C2/c atom x y z Li1 0 -.31 .25 Al1 0 .09 .25 Si1 .21 .41 .25 O1 .39 .41 .14 O2 .13 .25 .32 O3 .14 .49 0