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