La5 (Si2 B O13)

BLa₅O₁₃Si₂

Tribaudino, M.Mazza, D.Delmastro, A.Lebech, B.

Journal of Solid State Chemistry (2000) 155, 389-393

a=9.5587Å   b=9.5587Å   c=7.2173Å

α=90°   β=90°   γ=120°