Perhaps one of the most widely recommended stones for protection, hematite is the mineral form of iron oxide, and is harder than iron, but more brittle. It is useful at balancing energies, and grounding, and has some of the same effects at dispelling magics that are usually attributed to iron. Hematite is powerful for keeping unwanted energies from becoming attached to your aura, and encourages you to be able to overcome your obstacles. Hematite is said to be helpful in math,