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 = 7.62 GPa _database_code_amcsd 0004903 9.483 8.565 5.193 90 106.13 90 C2/c atom x y z Uiso Na 0 .3068 .25 .0145 V 0 .9072 .25 .0069 Si .2921 .0928 .2399 .0069 O1 .1154 .0829 .1457 .0062 O2 .3615 .2594 .3200 .0087 O3 .3558 .0176 .0037 .0095