Know all about Peridotite and Quartzite properties here. All properties of rocks are important as they define the type of rock and its application. Peridotite belongs to Igneous Rocks while Quartzite belongs to Metamorphic Rocks.Texture of Peridotite is Phaneritic whereas that of Quartzite is Foliated, Granular. Peridotite appears Rough and Shiny and Quartzite appears Lustrous. The luster of Peridotite is shiny while that of Quartzite is vitreous. Peridotite is available in dark greenish - grey colors whereas Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. The commercial uses of Peridotite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Quartzite are an oil and gas reservoir, as armour rock for sea walls, cemetery markers, commemorative tablets, in aquifers, laboratory bench tops, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.