Know all about Porphyry and Phonolite properties here. All properties of rocks are important as they define the type of rock and its application. Porphyry and Phonolite belong to Igneous Rocks.Texture of Porphyry is Porphyritic whereas that of Phonolite is Granular. Porphyry appears Dull and Phonolite appears Banded and Foilated. The luster of Porphyry is dull while that of Phonolite is greasy to dull. Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors whereas Phonolite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Porphyry are creating artwork, gemstone, jewelry and that of Phonolite are cemetery markers, creating artwork.