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