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