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 = 6.10 GPa _database_code_amcsd 0004905 9.519 8.598 5.208 90 106.31 90 C2/c atom x y z Uiso Na 0 .3055 .25 .0142 V 0 .9067 .25 .0061 Si .2920 .0923 .2400 .0061 O1 .1148 .0817 .1453 .0052 O2 .3610 .2582 .3170 .0077 O3 .3550 .0155 .0047 .0086