Know all about Coquina and Appinite properties here. All properties of rocks are important as they define the type of rock and its application. Coquina belongs to Sedimentary Rocks while Appinite belongs to Igneous Rocks.Texture of Coquina is Clastic whereas that of Appinite is Porphyritic. Coquina appears Layered, Banded, Veined and Shiny and Appinite appears Dull, Banded and Foilated. The luster of Coquina is dull to vitreous to submetallic while that of Appinite is subvitreous to dull. Coquina is available in beige, buff, orange colors whereas Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Coquina are creating artwork and that of Appinite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner.