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