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