Know all about Granulite and Quartzite properties here. All properties of rocks are important as they define the type of rock and its application. Granulite and Quartzite belong to Metamorphic Rocks.Texture of Granulite is Granoblastic whereas that of Quartzite is Foliated, Granular. Granulite appears Veined or Pebbled and Quartzite appears Lustrous. The luster of Granulite and Quartzite is vitreous. Granulite is available in black, brown colors whereas Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. The commercial uses of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones 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.