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