Know all about Theralite and Arkose properties here. All properties of rocks are important as they define the type of rock and its application. Theralite belongs to Igneous Rocks while Arkose belongs to Sedimentary Rocks.Texture of Theralite is Phaneritic whereas that of Arkose is Clastic. Theralite appears Veined and Shiny and Arkose appears Rough and Dull. The luster of Theralite is waxy and dull while that of Arkose is dull. Theralite is available in dark grey to black colors whereas Arkose is available in reddish brown colors. The commercial uses of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones.