Know all about Quartzite and Coquina properties here. All properties of rocks are important as they define the type of rock and its application. Quartzite belongs to Metamorphic Rocks while Coquina belongs to Sedimentary Rocks.Texture of Quartzite is Foliated, Granular whereas that of Coquina is Clastic. Quartzite appears Lustrous and Coquina appears Layered, Banded, Veined and Shiny. The luster of Quartzite is vitreous while that of Coquina is dull to vitreous to submetallic. Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors whereas Coquina is available in beige, buff, orange colors. The commercial uses 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 and that of Coquina are creating artwork.