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