Bournonite, Bindheimite
Felixbau Mine, Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
Rare intergrown bournonite crystals , surface is replaced by bindheimite, small siderite matrix at the bottom.
Overall size : 6.5 x 4 x 2.5 cm.
Ex. coll. Bergdir. Dipl. Ing. Tausch, collected December 1948.