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