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