Know all about Nephelinite and Rapakivi Granite properties here. All properties of rocks are important as they define the type of rock and its application. Nephelinite and Rapakivi Granite belong to Igneous Rocks.Texture of Nephelinite is Aphanitic whereas that of Rapakivi Granite is Granular, Phaneritic. Nephelinite appears Skeletal and Rapakivi Granite appears Veined or Pebbled. The luster of Nephelinite is vitreous to metallic while that of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous. Nephelinite is available in black, brown, colourless, green, grey, white colors whereas Rapakivi Granite is available in black, grey, orange, pink, white colors. The commercial uses of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo) and that of Rapakivi Granite are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones.