Know all about Rapakivi Granite and Coquina properties here. All properties of rocks are important as they define the type of rock and its application. Rapakivi Granite belongs to Igneous Rocks while Coquina belongs to Sedimentary Rocks.Texture of Rapakivi Granite is Granular, Phaneritic whereas that of Coquina is Clastic. Rapakivi Granite appears Veined or Pebbled and Coquina appears Layered, Banded, Veined and Shiny. The luster of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous while that of Coquina is dull to vitreous to submetallic. Rapakivi Granite is available in black, grey, orange, pink, white colors whereas Coquina is available in beige, buff, orange colors. The commercial uses of Rapakivi Granite and Coquina are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones.