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