Know all about Rapakivi Granite and Quartzite 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 Quartzite belongs to Metamorphic Rocks.Texture of Rapakivi Granite is Granular, Phaneritic whereas that of Quartzite is Foliated, Granular. Rapakivi Granite appears Veined or Pebbled and Quartzite appears Lustrous. The luster of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous while that of Quartzite is vitreous. Rapakivi Granite is available in black, grey, orange, pink, white colors whereas Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. The commercial uses of Rapakivi Granite are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones and that of Quartzite are an oil and gas reservoir, as armour rock for sea walls, cemetery markers, commemorative tablets, in aquifers, laboratory bench tops, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.