Know all about Diorite and Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Diorite and Porphyry belong to Igneous Rocks.Texture of Diorite is Phaneritic whereas that of Porphyry is Porphyritic. Diorite appears Shiny and Porphyry appears Dull. The luster of Diorite is shiny while that of Porphyry is dull. Diorite is available in black, brown, light to dark grey, white colors whereas Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors. The commercial uses of Diorite are creating artwork, curling and that of Porphyry are creating artwork, gemstone, jewelry.