Na2 (Si3 O7)

Na₂O₇Si₃

Kahlenberg, V.Patarin, J.Marler, B.Munoz Acevedo, J.C.

Solid State Sciences (2002) 4, 1285-1292

a=7.1924Å   b=10.6039Å   c=9.8049Å

α=90°   β=120.2478°   γ=90°