Know all about Rapakivi Granite and Arkose 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 Arkose belongs to Sedimentary Rocks.Texture of Rapakivi Granite is Granular, Phaneritic whereas that of Arkose is Clastic. Rapakivi Granite appears Veined or Pebbled and Arkose appears Rough and Dull. The luster of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous while that of Arkose is dull. Rapakivi Granite is available in black, grey, orange, pink, white colors whereas Arkose is available in reddish brown colors. The commercial uses of Rapakivi Granite are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones and that of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones.