Characteristics related to grain size of rocks are called as texture. Here you can know more about texture of Nepheline Syenite and Itacolumite. Texture of Nepheline Syenite is whereas that of Itacolumite is . Based on the texture of rocks, they are used for various purposes. Get detailed information about Nepheline Syenite vs Itacolumite texture, color, appearance and maintenance in the next section.