K3 Na P2 O7 (H2 O)4

H₈K₃NaO₁₁P₂

Dumas, Y.Escande, A.Gligne, J.L.

Acta Crystallographica B (24,1968-38,1982) (1978) 34, 710-715

a=5.681Å   b=11.993Å   c=17.509Å

α=90°   β=92.54°   γ=90°