Agate - Zebra £1.90 Quantity: at £1.90 each 3 in stock. Zebra Agate is known as the Yin and Yang stone, the stone of two halves. In healing it is one of the best stones for pain management, it is good for mood lifting, energising and motivating. A ideal stone for grounding and centering during meditation and psychic work. It is a water and Air elemental stone and is particularly effective for protecting the aura.