Know all about Skarn and Nepheline Syenite properties here. All properties of rocks are important as they define the type of rock and its application. Skarn belongs to Metamorphic Rocks while Nepheline Syenite belongs to Igneous Rocks.Texture of Skarn is Earthy, Mud-rich, Rough whereas that of Nepheline Syenite is Granular. Skarn appears Dull and Nepheline Syenite appears Banded and Foilated. The luster of Skarn is waxy and dull while that of Nepheline Syenite is greasy to dull. Skarn is available in black, brown, colourless, green, grey, white colors whereas Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo) and that of Nepheline Syenite are cemetery markers, creating artwork.