Diopside Tribaudino M European Journal of Mineralogy 8 (1996) 273-279 High-temperature crystal chemistry of C2/c clinopyroxenes along the join CaMgSi2O6-CaAl2SiO6 Sample: Di70CaTs30 at 700 C _database_code_amcsd 0006625 9.733 8.909 5.296 90 106.35 90 C2/c atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) CaM2 0 .3026 .25 2.01 .0341 .0190 .0180 0 -.0009 0 MgM1 0 .9071 .25 .7 1.25 .0174 .0160 .0129 0 .0024 0 AlM1 0 .9071 .25 .3 1.25 .0174 .0160 .0129 0 .0024 0 AlT .2870 .0933 .2256 .15 .93 .0107 .0132 .0110 -.0003 .0026 -.0013 SiT .2870 .0933 .2256 .85 .93 .0107 .0132 .0110 -.0003 .0026 -.0013 O1 .1130 .0853 .1367 1.48 .0102 .0249 .0206 .0012 .0035 -.0002 O2 .3617 .2528 .3148 1.99 .0307 .0198 .0244 -.0055 .0066 -.0025 O3 .3514 .0159 -.0053 1.54 .0154 .0253 .0177 .0000 .0042 -.0080