Rb Nb O (S O4)2

NbO₉RbS₂

Kuznetsov, B.Ya.Porai-Koshits, M.A.Rogachev, D.L.Dikareva, L.M.

Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya (1974) 1974, 2167-2170

a=17.1Å   b=5.205Å   c=8.76Å

α=90°   β=90°   γ=90°