Crystal Agate &reg;Amethyst Ball Ametrine Crystal Purple Yellow Natural Mosaic Healing Sphere 2" Amethyst Ball Ametrine Crystal Purple Yellow Natural Mosaic Healing Sphere 2. Measurement: 2.9 Your crystal ball is made from amazing Amethyst of India. Includes an an "Ilove crystal" Refrigerator Magnet Includes A Crystals agate Properties Information Card