Er2 Sr3 (B O3)4

B₄Er₂O₁₂Sr₃

Mamedov, C.Abdullaev, G.K.

Zhurnal Strukturnoi Khimii (Issue-No. from 1981) (1976) 17, 188-191

a=8.57Å   b=15.8Å   c=7.22Å

α=90°   β=90°   γ=90°