Know all about Phonolite and Peridotite properties here. All properties of rocks are important as they define the type of rock and its application. Phonolite and Peridotite belong to Igneous Rocks.Texture of Phonolite is Granular whereas that of Peridotite is Phaneritic. Phonolite appears Banded and Foilated and Peridotite appears Rough and Shiny. The luster of Phonolite is greasy to dull while that of Peridotite is shiny. Phonolite is available in brown, buff, cream, green, grey, pink, white colors whereas Peridotite is available in dark greenish - grey colors. The commercial uses of Phonolite are cemetery markers, creating artwork and that of Peridotite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.