Na4 Mg2 (H2 P2 O7)4 (H2 O)8

H₂₄Mg₂Na₄O₃₆P₈

Harcharras, M.D'Orazio, V.Ennaciri, A.Mattei, G.Assaaoudi, H.Moliterni, A.G.G.Capitelli, F.

Journal of Solid State Chemistry (2003) 172, 160-165

a=8.0445Å   b=11.5244Å   c=9.0825Å

α=90°   β=113.1401°   γ=90°