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