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