NaVSi2O6 Ullrich A, Miletich R, Nestola F, Weikusat C, Ohashi H American Mineralogist 94 (2009) 557-564 Lattice compression and structural behavior of NaVSi2O6 clinopyroxene to 11 GPa Note: P = 4.61 GPa _database_code_amcsd 0004904 9.545 8.634 5.233 90 106.59 90 C2/c atom x y z Uiso Na 0 .3049 .25 .0158 V 0 .9062 .25 .0069 Si .2918 .0926 .2398 .0065 O1 .1148 .0809 .1448 .0045 O2 .3613 .2581 .3153 .0077 O3 .3543 .0137 .0076 .0098