Know all about Teschenite and Tuff properties here. All properties of rocks are important as they define the type of rock and its application. Teschenite and Tuff belong to Igneous Rocks.Texture of Teschenite is Phaneritic whereas that of Tuff is Clastic, Pyroclastic. Teschenite appears Veined and Shiny and Tuff appears Dull, Vesicular and Foilated. The luster of Teschenite is not available while that of Tuff is vitreous to dull. Teschenite is available in dark grey to black colors whereas Tuff is available in brown, grey, yellow colors. The commercial uses of Teschenite and Tuff are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.