Buy Purple Glass Indian Arrowheads online now. Get a beautifully made arrowhead in purple fiber optic glass. It exhibits beautiful flaking, clean edges, and even notches. It measures out to 1-1.5 Inches. It is a powerful and protective stone. It guards against psychic attack, transmuting the energy into love and protecting the wearer from all types of harm, including geopathic or electromagnetic stress and ill wishes from others.