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