Shop online for Eagle Arrow Agate Necklace. Arrowheads were a very important tool and weapon to Native American people. They were used to hunt, fish and fight battles. This Agate Arrowhead is an excellent stone for rebalancing and harmonising body, mind and spirit. It cleanses and stabilises the aura, eliminating and transforming negativity. Agate Arrowhead enhances mental function, improving concentration, perception and analytical abilities. Place the order.