Know all about Trachyandesite and Tuff properties here. All properties of rocks are important as they define the type of rock and its application. Trachyandesite and Tuff belong to Igneous Rocks.Texture of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Tuff is Clastic, Pyroclastic. Trachyandesite appears Dull and Soft and Tuff appears Dull, Vesicular and Foilated. The luster of Trachyandesite is earthy while that of Tuff is vitreous to dull. Trachyandesite is available in black, brown, light to dark grey colors whereas Tuff is available in brown, grey, yellow colors. The commercial uses of Trachyandesite and Tuff are creating artwork, pottery.