Hyttsjoite

Ba₂Ca₅ClFe₂Mn₂O₉₆Pb₁₈Si₃₀

Grew, E. S.Peacor, D. R.Rouse, R. C.Yates, M. G.Su, S.-C.Marquez, N.

American Mineralogist (1996) 81, 743-753

a=9.865Å   b=9.865Å   c=79.45Å

α=90°   β=90°   γ=120°