Know all about Theralite and Claystone properties here. All properties of rocks are important as they define the type of rock and its application. Theralite belongs to Igneous Rocks while Claystone belongs to Sedimentary Rocks.Texture of Theralite is Phaneritic whereas that of Claystone is Clastic. Theralite appears Veined and Shiny and Claystone appears Rough and Dull. The luster of Theralite is waxy and dull while that of Claystone is dull. Theralite is available in dark grey to black colors whereas Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors. The commercial uses of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Claystone are pottery.