Know all about Shale and Coquina properties here. All properties of rocks are important as they define the type of rock and its application. Shale and Coquina belong to Sedimentary Rocks.Texture of Shale is Clastic, Splintery whereas that of Coquina is Clastic. Shale appears Muddy and Coquina appears Layered, Banded, Veined and Shiny. The luster of Shale is dull while that of Coquina is dull to vitreous to submetallic. Shale is available in black, brown, buff, green, grey, red, yellow colors whereas Coquina is available in beige, buff, orange colors. The commercial uses of Shale and Coquina are creating artwork, pottery.