Know all about Dunite and Diorite properties here. All properties of rocks are important as they define the type of rock and its application. Dunite and Diorite belong to Igneous Rocks.Texture of Dunite is Phaneritic whereas that of Diorite is Phaneritic. Dunite appears Rough and Shiny and Diorite appears Shiny. The luster of Dunite and Diorite is shiny. Dunite is available in dark greenish - grey colors whereas Diorite is available in black, brown, light to dark grey, white colors. The commercial uses of Dunite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Diorite are creating artwork, curling.