David K. Joyce

Ferberite, Arsenopyrite

9.0x5.1x4.5 cm
Tanza Mine
Atocha-Quechisla, Potosi

Ferberite, ArsenopyriteFerberite, Arsenopyrite

Item number: 22099

Wow! THIS is a nice specimen! It appears to have come from a brecciated zone and this piece of breccia has a number of very dark-brown, almost black ferberite crystals on it. The matrix appears to be arsenopyrite and there are also some arsenopyrite crystals covering the matrix. Very nice! r