Know all about Peridotite and Nepheline Syenite properties here. All properties of rocks are important as they define the type of rock and its application. Peridotite and Nepheline Syenite belong to Igneous Rocks.Texture of Peridotite is Phaneritic whereas that of Nepheline Syenite is Granular. Peridotite appears Rough and Shiny and Nepheline Syenite appears Banded and Foilated. The luster of Peridotite is shiny while that of Nepheline Syenite is greasy to dull. Peridotite is available in dark greenish - grey colors whereas Nepheline Syenite 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 Nepheline Syenite are cemetery markers, creating artwork.