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