£295 €334 $385 approx. This specimen is priced in pounds sterling, all other prices are approximate.
A large lustrous crystal of Cassiterite from the old mining area of Zinnwald, that straddles the Czech-German border. The Cassiterite crystal measures to 4.4cm characteristically black, with areas of dark brown, and displays some twinning. A large Cassiterite from the area, and comes with an old Karl Tausch label.