Palmierite

K₂O₈PbS₂

Tissot, R. G.Rodriguez, M. A.Sipola, D. L.Voigt, J. A.

Powder Diffraction (2001) 16, 92-97

a=5.497Å   b=5.497Å   c=20.864Å

α=90°   β=90°   γ=120°