Know all about Coquina and Dacite properties here. All properties of rocks are important as they define the type of rock and its application. Coquina belongs to Sedimentary Rocks while Dacite belongs to Igneous Rocks.Texture of Coquina is Clastic whereas that of Dacite is Aphanitic to Porphyritic. Coquina appears Layered, Banded, Veined and Shiny and Dacite appears Vesicular. The luster of Coquina is dull to vitreous to submetallic while that of Dacite is subvitreous to dull. Coquina is available in beige, buff, orange colors whereas Dacite is available in bluish - grey, brown, grey, light to dark grey colors. The commercial uses of Coquina are creating artwork and that of Dacite are commemorative tablets, creating artwork.