Know all about Phonolite and Theralite properties here. All properties of rocks are important as they define the type of rock and its application. Phonolite and Theralite belong to Igneous Rocks.Texture of Phonolite is Granular whereas that of Theralite is Phaneritic. Phonolite appears Banded and Foilated and Theralite appears Veined and Shiny. The luster of Phonolite is greasy to dull while that of Theralite is waxy and dull. Phonolite is available in brown, buff, cream, green, grey, pink, white colors whereas Theralite is available in dark grey to black colors. The commercial uses of Phonolite are cemetery markers, creating artwork and that of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.