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