AM_Na2Si2O5 Formula: Na2 Si2 O5 Name: Na2Si2O5 Unit cell: 4.8521 23.9793 8.141 90.0 90.15 90.0 , V=947.20 Space group: P121/C1 (14)

Rakic S , Kahlenberg V , Weidenthaler C , Zibrowius B , Physics and Chemistry of Minerals , 29 (2002) p.477-484, Structural characterization of high-pressure C-Na2Si2O5, by single-crystal diffraction and 29Si MAS NMR