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