Spodumene Cameron M, Sueno S, Prewitt C T, Papike J J American Mineralogist 58 (1973) 594-618 High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite, spodumene, and ureyite T = 300 C pyroxene _database_code_amcsd 0000356 9.468 8.412 5.224 90 110.05 90 C2/c atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Si .2943 .0932 .2547 .001567 .002269 .004496 -.000273 .000880 -.000120 Al1 0 .9059 1/4 .001781 .002160 .005382 0 .001011 0 Li2 0 .2758 1/4 .007250 .007687 .020955 0 .003477 0 O1 .1101 .0819 .1397 .001619 .003051 .006061 -.000129 .000750 .000292 O2 .3649 .2662 .3012 .003593 .002854 .013562 -.001321 .003094 -.001052 O3 .3565 .9886 .0546 .002449 .005649 .007905 .000113 .001284 -.002688