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