Hypnotic Gems Materials: 1 lb Bulk Rough Green Opal Stones from Madagascar - Raw Natural Crystals for Cabbing, Cutting, Lapidary, Tumbling, Polishing, Wire Wrapping, Wicca and Reiki Crystal Healing Quantity: 1 lb Large Size: 15 to 30 grams each piece! Includes authentic Hypnotic Gems certified stones - Mined from specific veins exclusively for Hypnotic Gems to ensure quality! Stones in our images have been soaked in water to showcase their potential! Each and every specimen is unique and you will receive beautiful stones similar to the image shown.