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