Chevron Banded Polished Amethyst Quartz 1/2 lb with Rock-n-Tresure&trade; Chest Includes Rock-n-Tresure Chest. Each treasure chest comes with mystery rocks and a mystery treasure. Quantity: 1/2lb Banded Polished Amethyst. (Between 10-15 Pieces) Amethyst stones size small to medium. Each and every specimen is unique and you will receive ones similar to the image shown.