Know all about Harzburgite and Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Harzburgite and Trachyandesite belong to Igneous Rocks.Texture of Harzburgite is Phaneritic whereas that of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Harzburgite appears Rough and Shiny and Trachyandesite appears Dull and Soft. The luster of Harzburgite is shiny while that of Trachyandesite is earthy. Harzburgite is available in dark greenish - grey colors whereas Trachyandesite is available in black, brown, light to dark grey colors. The commercial uses of Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Trachyandesite are creating artwork, pottery.