Description Natural Red Tigers Eye Oval Cabochons Available in 10x8mm Oval Cabochons. Sold in a pack of 2. *please note due to the nature of the gemstone, each one will be unique and have different characteristics. Photos are a representation from the current parcel available. Chatoyancy refers to a unique optical effect seen in certain gemstones, where a band of light moves across the surface, resembling the slit eye of a cat. Moh’s Scale Hardness: 6.5 – 7 Treatment: Dyed Origin: Africa