Know all about Trachyandesite and Arkose properties here. All properties of rocks are important as they define the type of rock and its application. Trachyandesite belongs to Igneous Rocks while Arkose belongs to Sedimentary Rocks.Texture of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Arkose is Clastic. Trachyandesite appears Dull and Soft and Arkose appears Rough and Dull. The luster of Trachyandesite is earthy while that of Arkose is dull. Trachyandesite is available in black, brown, light to dark grey colors whereas Arkose is available in reddish brown colors. The commercial uses of Trachyandesite are creating artwork, pottery and that of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones.