Langbanshyttanite

As₂H₁₆MgMn₂O₁₈Pb₂

Chukanov, N. V.Pekov, I. V.Johsson, E.Zubkova, N. V.Filinchuk, Y. E.Belakovskiy, D. I.Pushcharovsky, D. Y.

European Journal of Mineralogy (2011) 23, 675-681

a=5.0528Å   b=5.7671Å   c=14.617Å

α=85.656°   β=82.029°   γ=88.728°