Hypnotic Gems Materials: 50 cts of High Grade Koroit Boulder Opal from Australia - Hand Trimmed Slices for Cabbing, Cutting, Lapidary, Polishing, Wire Wrapping, Wicca and Reiki Crystal Healing Available Quantities: 50 cts, 125 cts, 250 cts and 500 cts This is hand cut high quality Koroit Boulder Opal! Each and every specimen is unique and you will receive stones similar to the image shown! Stones in our images have been soaked in water to showcase their potential! Includes only authentic Hypnotic Gems certified stones - Mined exclusively for Hypnotic Gems to ensure quality!