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