Know all about Trachyandesite and Teschenite properties here. All properties of rocks are important as they define the type of rock and its application. Trachyandesite and Teschenite belong to Igneous Rocks.Texture of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Teschenite is Phaneritic. Trachyandesite appears Dull and Soft and Teschenite appears Veined and Shiny. The luster of Trachyandesite is earthy while that of Teschenite is not available. Trachyandesite is available in black, brown, light to dark grey colors whereas Teschenite is available in dark grey to black colors. The commercial uses of Trachyandesite are creating artwork, pottery and that of Teschenite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.