AM_NaVSi2O7_4 Formula: Na V Si2 O6 Name: NaVSi2O7 Unit cell: 9.469 8.521 5.169 90.0 105.99 90.0 , V=400.93 Space group: C12/C1 (15)

Ullrich A , Miletich R , Nestola F , Weikusat C , Ohashi H , American Mineralogist , 94 (2009) p.557-564, Lattice compression and structural behavior of NaVSi2O6 clinopyroxene to 11 GPa, Note: P = 9.39 GPa