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