Cs2 O (B2 O3)9

B₁₈Cs₂O₂₈

Wright, A.C.Sinclair, R.N.Stone, C.E.Knight, K.S.Vedishcheva, N.M.Polyakova, I.G.Shakhmatkin, B.A.

Physics and Chemistry of Glasses (2003) 44, 197-202

a=8.80577Å   b=8.75298Å   c=15.79161Å

α=90°   β=90°   γ=90°