Know all about Gneiss and Quartzite properties here. All properties of rocks are important as they define the type of rock and its application. Gneiss and Quartzite belong to Metamorphic Rocks.Texture of Gneiss is Banded, Foliated, Platy whereas that of Quartzite is Foliated, Granular. Gneiss appears Foliated and Quartzite appears Lustrous. The luster of Gneiss is dull while that of Quartzite is vitreous. Gneiss is available in black, brown, pink, red, white colors whereas Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. The commercial uses of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums 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.