Nealite

As₂Cl₄FeH₄O₈Pb₄

Pertlik, F.Schnorrer, G.

Mineralogy and Petrology (1993) 48, 193-200

a=6.548Å   b=10.243Å   c=5.587Å

α=96.2°   β=89.6°   γ=97.7°