Know all about Trachyte and Harzburgite properties here. All properties of rocks are important as they define the type of rock and its application. Trachyte and Harzburgite belong to Igneous Rocks.Texture of Trachyte is Aphanitic to Porphyritic whereas that of Harzburgite is Phaneritic. Trachyte appears Banded and Harzburgite appears Rough and Shiny. The luster of Trachyte is metallic while that of Harzburgite is shiny. Trachyte and Harzburgite 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 Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.