Taconite is one of the important type of rocks. If we have to define Taconite in general, Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica. Taconite comes under Sedimentary Rocks. All Sedimentary Rocks have similar properties and formation process. Along with Taconite Definition, know more about the History of Taconite, Etymology of Taconite in next sections.