Spodumene Arlt T, Angel R J Physics and Chemistry of Minerals 27 (2000) 719-731 Displacive phase transitions in C-centred clinopyroxenes: spodumene, LiScSi2O6 and ZnSiO3 Sample: P = 0 GPa _database_code_amcsd 0008492 9.4628 8.3882 5.2186 90 110.187 90 C2/c atom x y z Biso LiM2 0 .2750 .25 2.35 AlM1 0 .90661 .25 .64 Si .29409 .09345 .25619 .61 O1 .10971 .08236 .1403 .70 O2 .36453 .2671 .3001 .92 O3 .35647 .9866 .0586 .92