LiScSi2O6 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 = 4.804 GPa _database_code_amcsd 0008498 9.5954 8.8304 5.2448 90 109.601 90 P2_1/c atom x y z Biso LiM2 .2519 .011 .228 2.2 ScM1 .25121 .64561 .2289 .28 SiA .0515 .3369 .2966 .36 SiB .5532 .8352 .2564 .38 O1A .8717 .3303 .1792 .43 O1B .3728 .8341 .1390 .38 O2A .1165 .5023 .3239 .72 O2B .6285 .9904 .3811 .51 O3A .1116 .2675 .6006 .44 O3B .6047 .7067 .4960 .53