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