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