Know all about Trachyte and Dunite properties here. All properties of rocks are important as they define the type of rock and its application. Trachyte and Dunite belong to Igneous Rocks.Texture of Trachyte is Aphanitic to Porphyritic whereas that of Dunite is Phaneritic. Trachyte appears Banded and Dunite appears Rough and Shiny. The luster of Trachyte is metallic while that of Dunite is shiny. Trachyte and Dunite are available in black, brown, dark greenish - grey, green, grey, light to dark grey, white colors. The commercial uses of Trachyte are cemetery markers, creating artwork and that of Dunite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.