Know all about Trachyandesite and Pegmatite properties here. All properties of rocks are important as they define the type of rock and its application. Trachyandesite and Pegmatite belong to Igneous Rocks.Texture of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Pegmatite is Pegmatitic. Trachyandesite appears Dull and Soft and Pegmatite appears Layered, Banded, Veined and Shiny. The luster of Trachyandesite is earthy while that of Pegmatite is grainy, pearly and vitreous. Trachyandesite is available in black, brown, light to dark grey colors whereas Pegmatite is available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow colors. The commercial uses of Trachyandesite are creating artwork, pottery and that of Pegmatite are creating artwork, jewelry, source of corundum, tourmalines, beryls and topaz.