Know all about Peridotite and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Peridotite and Nephelinite belong to Igneous Rocks.Texture of Peridotite is Phaneritic whereas that of Nephelinite is Aphanitic. Peridotite appears Rough and Shiny and Nephelinite appears Skeletal. The luster of Peridotite is shiny while that of Nephelinite is vitreous to metallic. Peridotite is available in dark greenish - grey colors whereas Nephelinite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Peridotite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo).