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 = 1.52 GPa _database_code_amcsd 0004898 9.614 8.706 5.278 90 106.86 90 C2/c atom x y z Uiso Na 0 .3021 .25 .0165 V 0 .9056 .25 .0078 Si .2918 .0916 .2393 .0076 O1 .1153 .0802 .1439 .0066 O2 .3602 .2574 .3098 .0110 O3 .3525 .0113 .0101 .089