Know all about Nepheline Syenite and Hornfels 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 Hornfels belongs to Metamorphic Rocks.Texture of Nepheline Syenite is Granular whereas that of Hornfels is Granular, Platy. Nepheline Syenite appears Banded and Foilated and Hornfels appears Dull. The luster of Nepheline Syenite is greasy to dull while that of Hornfels is shiny. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas Hornfels is available in brown, dark greenish - grey, green, reddish brown colors. The commercial uses of Nepheline Syenite are cemetery markers, creating artwork and that of Hornfels are cemetery markers, commemorative tablets, creating artwork.