Know all about Dunite and Picrite properties here. All properties of rocks are important as they define the type of rock and its application. Dunite and Picrite belong to Igneous Rocks.Texture of Dunite is Phaneritic whereas that of Picrite is Earthy, Rough. Dunite appears Rough and Shiny and Picrite appears Rough and Shiny. The luster of Dunite is shiny while that of Picrite is subvitreous to dull. Dunite is available in dark greenish - grey colors whereas Picrite is available in black, brown, colourless, green, grey, pink, 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 Picrite are as a feed additive for livestock, as armour rock for sea walls, metallurgical flux, pottery, source of magnesia (mgo).