(Sc3 Si5)0.333

Sc_0.999Si_1.665

Kotur, B.Ya.Ratush, G.M.

Inorganic Materials (USSR) (see: Izv.Akad.Nauk, Neorg.Mater.) (1991) 27, 422-425

a=3.66Å   b=3.66Å   c=3.875Å

α=90°   β=90°   γ=120°