Know all about Coquina and Arkose properties here. All properties of rocks are important as they define the type of rock and its application. Coquina and Arkose belong to Sedimentary Rocks.Texture of Coquina is Clastic whereas that of Arkose is Clastic. Coquina appears Layered, Banded, Veined and Shiny and Arkose appears Rough and Dull. The luster of Coquina is dull to vitreous to submetallic while that of Arkose is dull. Coquina is available in beige, buff, orange colors whereas Arkose is available in reddish brown colors. The commercial uses of Coquina are creating artwork and that of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones.