Na3 La9 O3 (B O3)8

B₈La₉Na₃O₂₇

Peshev, P.Gravereau, P.Nikolov, V.Pechev, S.Chaminade, J.P.Ivanova, D.

Solid State Sciences (2002) 4, 993-998

a=8.9033Å   b=8.9033Å   c=8.7131Å

α=90°   β=90°   γ=120°