Sphaerobertrandite

Be₃H₂O₆Si

Pekov, I. V.Chukanov, N. V.Larsen, A. O.Merlino, S.Pasero, M.Pushcharovsky, D. Y.Ivaldi, G.Zadov, A. E.Grishin, V. G.Asheim, A.Tafto, J.Chistyakova, N. I.

European Journal of Mineralogy (2003) 15, 157-166

a=5.082Å   b=4.640Å   c=17.696Å

α=90°   β=106.13°   γ=90°