Know all about Porphyry and Rapakivi Granite properties here. All properties of rocks are important as they define the type of rock and its application. Porphyry and Rapakivi Granite belong to Igneous Rocks.Texture of Porphyry is Porphyritic whereas that of Rapakivi Granite is Granular, Phaneritic. Porphyry appears Dull and Rapakivi Granite appears Veined or Pebbled. The luster of Porphyry is dull while that of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous. Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors whereas Rapakivi Granite is available in black, grey, orange, pink, white colors. The commercial uses of Porphyry are creating artwork, gemstone, jewelry and that of Rapakivi Granite are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones.