Know all about Theralite and Pegmatite properties here. All properties of rocks are important as they define the type of rock and its application. Theralite and Pegmatite belong to Igneous Rocks.Texture of Theralite is Phaneritic whereas that of Pegmatite is Pegmatitic. Theralite appears Veined and Shiny and Pegmatite appears Layered, Banded, Veined and Shiny. The luster of Theralite is waxy and dull while that of Pegmatite is grainy, pearly and vitreous. Theralite is available in dark grey to black colors whereas Pegmatite is available in black, brown, cream, green, grey, pink, red, rust, silver, 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 Pegmatite are creating artwork, jewelry, source of corundum, tourmalines, beryls and topaz.