Tetrahedrite From Peru- Collectors Piece, Home DécorTetrahedrite From Peru Collectors Piece, Home Dcor Weight 70g Size 4. 5cm by 4cm Thickness 4cm Tetrahedrite is a copper antimony sulfosalt mineral. It is the antimony endmember of the continuous solid solution series with arsenic bearing tennantite. Pure endmembers of the series are seldom if ever seen in nature. Of the two, the antimony rich phase is more common. Other elements also substitute in the structure, most notably iron and zinc, along with