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