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