Know all about Dunite and Sandstone properties here. All properties of rocks are important as they define the type of rock and its application. Dunite belongs to Igneous Rocks while Sandstone belongs to Sedimentary Rocks.Texture of Dunite is Phaneritic whereas that of Sandstone is Clastic, Granular, Rough. Dunite appears Rough and Shiny and Sandstone appears Rough. The luster of Dunite is shiny while that of Sandstone is dull. Dunite is available in dark greenish - grey colors whereas Sandstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Dunite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Sandstone are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.