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