Product Description Set of 25 stonesEach piece is approximately 1/2(or 10mm) inch by 3/4 inch.Stone Size: 15-19 mm (approx.).Stone Name: Rainbow MoonstoneMaterial: Natural StoneProduct: Cube Shape Rune SetNote: The color can be vary (Dark or could be Light). Use For: Healing, Meditation, Inspiration, Decision-Making, Spiritual Blessings as Well as Spell-Work and Casting. Rainbow moonstone is thought to bring balance, harmony and hope while enhancing creativity, compassion, endurance and inner confidence. Rainbow moonstone is believed to help strengthen intuition and psychic perception, especially offering us visions of things that aren't immediately obvious.