Know all about Theralite and Suevite properties here. All properties of rocks are important as they define the type of rock and its application. Theralite belongs to Igneous Rocks while Suevite belongs to Metamorphic Rocks.Texture of Theralite is Phaneritic whereas that of Suevite is Earthy. Theralite appears Veined and Shiny and Suevite appears Banded. The luster of Theralite is waxy and dull while that of Suevite is earthy. Theralite is available in dark grey to black colors whereas Suevite is available in black, brown, colourless, green, grey, pink colors. The commercial uses of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Suevite are as a feed additive for livestock, gemstone, metallurgical flux, source of magnesia (mgo).