Know all about Blueschist and Coquina properties here. All properties of rocks are important as they define the type of rock and its application. Blueschist belongs to Metamorphic Rocks while Coquina belongs to Sedimentary Rocks.Texture of Blueschist is Foliated whereas that of Coquina is Clastic. Blueschist appears Dull and Banded and Coquina appears Layered, Banded, Veined and Shiny. The luster of Blueschist is dull while that of Coquina is dull to vitreous to submetallic. Blueschist is available in blue, bluish - grey, purple, shades of blue colors whereas Coquina is available in beige, buff, orange colors. The commercial uses of Blueschist and Coquina are cemetery markers, commemorative tablets, creating artwork, curling, tombstones.