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