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