Know all about Harzburgite and Obsidian properties here. All properties of rocks are important as they define the type of rock and its application. Harzburgite and Obsidian belong to Igneous Rocks.Texture of Harzburgite is Phaneritic whereas that of Obsidian is Glassy. Harzburgite appears Rough and Shiny and Obsidian appears Shiny. The luster of Harzburgite is shiny while that of Obsidian is vitreous. Harzburgite is available in dark greenish - grey colors whereas Obsidian is available in black, blue, brown, green, orange, red, tan, yellow colors. The commercial uses of Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Obsidian are creating artwork, mirror, used in aquariums.