Know all about Essexite and Coquina properties here. All properties of rocks are important as they define the type of rock and its application. Essexite belongs to Igneous Rocks while Coquina belongs to Sedimentary Rocks.Texture of Essexite is Granular whereas that of Coquina is Clastic. Essexite appears Banded and Coquina appears Layered, Banded, Veined and Shiny. The luster of Essexite is not available while that of Coquina is dull to vitreous to submetallic. Essexite is available in dark grey to black colors whereas Coquina is available in beige, buff, orange colors. The commercial uses of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones and that of Coquina are creating artwork.