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