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