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