Agate Slab, Grey and Natural Tones, Natural Agate (Approx. 2 1/2 - 3 1/2") 0456 Agate is an excellent stone for rebalancing and harmonising body, mind and spirit. It cleanses and stabilises the aura, eliminating and transforming negativity. Agate enhances mental function, improving concentration, perception and analytical abilities. You will receive an Etched Agate similar to the one pictured in this listing. www.stonepathtrading.com