Know all about Harzburgite and Argillite properties here. All properties of rocks are important as they define the type of rock and its application. Harzburgite belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks.Texture of Harzburgite is Phaneritic whereas that of Argillite is Clastic, Polished. Harzburgite appears Rough and Shiny and Argillite appears Rough and Dull. The luster of Harzburgite is shiny while that of Argillite is waxy and dull. Harzburgite is available in dark greenish - grey colors whereas Argillite is available in dark grey to black, pink, red, white colors. The commercial uses of Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Argillite are fire resistant, used to manufracture paperweights and bookends.