Esperanzaite

Al₂As₂Ca₂F₄H₅Na_0.68O₁₁

Foord, E. E.Hughes, J. M.Cureton, F. E.Maxwell, C. H.Falster, A. U.Sommer, A. J.Hlava, P. F.

The Canadian Mineralogist (1999) 37, 67-72

a=9.687Å   b=10.7379Å   c=5.5523Å

α=90°   β=105.32°   γ=90°