► Approximately 2"-2.5'' (50-60 mm)
► Approximately 3"-3.5'' (70-90 mm)
► Amethyst has the effect and role to promote the brain cells active, natural amethyst contains high energy, can promote the human brain cells can be more active; Enhanced memory, the cortex receives amethyst's energy magnetic field, can help us strengthen our own cognitive abilities; Improve sleep quality; Maintain emotional balance and adjust the mood.