Know all about Basaltic Trachyandesite and Harzburgite properties here. All properties of rocks are important as they define the type of rock and its application. Basaltic Trachyandesite and Harzburgite belong to Igneous Rocks.Texture of Basaltic Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Harzburgite is Phaneritic. Basaltic Trachyandesite appears Dull and Soft and Harzburgite appears Rough and Shiny. The luster of Basaltic Trachyandesite is not available while that of Harzburgite is shiny. Basaltic Trachyandesite is available in black, brown, light to dark grey colors whereas Harzburgite is available in dark greenish - grey colors. The commercial uses of Basaltic Trachyandesite are an oil and gas reservoir, commemorative tablets, creating artwork and that of Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.