Dufrenoysite

As₂Pb₂S₅

Ribar, B.Nicca, C.Nowacki, W.

Zeitschrift fur Kristallographie (1969) 130, 15-40

a=7.90Å   b=25.740Å   c=8.37Å

α=90°   β=90.35°   γ=90°