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