Know all about Coquina and Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Coquina belongs to Sedimentary Rocks while Porphyry belongs to Igneous Rocks.Texture of Coquina is Clastic whereas that of Porphyry is Porphyritic. Coquina appears Layered, Banded, Veined and Shiny and Porphyry appears Dull. The luster of Coquina is dull to vitreous to submetallic while that of Porphyry is dull. Coquina is available in beige, buff, orange colors whereas Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors. The commercial uses of Coquina are creating artwork and that of Porphyry are creating artwork, gemstone, jewelry.