Boulangerite

Pb_10.15S₂₂Sb_7.85

Ventruti, G.Stasi, F.Pinto, D.Vurro, F.Renna, M.

The Canadian Mineralogist (2012) 50, 181-199

a=21.554Å   b=23.454Å   c=8.079Å

α=90°   β=100.76°   γ=90°