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 = 760 C pyroxene _database_code_amcsd 0000358 9.489 8.46 5.236 90 109.88 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 .0928 .2522 .002749 .003837 .008564 -.000483 .001487 -.000465 Al1 0 .9044 1/4 .003367 .003906 .010391 0 .001865 0 Li2 0 .2769 1/4 .013796 .013592 .036669 0 .003761 0 O1 .1105 .0810 .1383 .002548 .005584 .011803 -.000261 .001142 .000697 O2 .3652 .2644 .3018 .006300 .004908 .024037 -.002314 .005090 -.001628 O3 .3562 .9911 .0495 .004129 .009903 .013567 .000385 .002120 -.004719