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