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