Know all about Coquina and Nepheline Syenite properties here. All properties of rocks are important as they define the type of rock and its application. Coquina belongs to Sedimentary Rocks while Nepheline Syenite belongs to Igneous Rocks.Texture of Coquina is Clastic whereas that of Nepheline Syenite is Granular. Coquina appears Layered, Banded, Veined and Shiny and Nepheline Syenite appears Banded and Foilated. The luster of Coquina is dull to vitreous to submetallic while that of Nepheline Syenite is greasy to dull. Coquina is available in beige, buff, orange colors whereas Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Coquina are creating artwork and that of Nepheline Syenite are cemetery markers, creating artwork.