Rhodizite

Al₄B_11.35Be_4.56Cs_0.36K_0.46Na_0.02O₂₈Rb_0.06

Pring, A.Din, V. K.Jefferson, D. A.Thomas, J. M.

Mineralogical Magazine (1986) 50, 163-172

a=7.318Å   b=7.318Å   c=7.318Å

α=90°   β=90°   γ=90°