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