Tiger Eye Beads, Round, A Grade, 18 mm. Hole: Approx 1MM. Tiger Eye is a microcrystalline quartz. It is golden to honey yellow in colour and catches the light. It is so named because it resembles the eye of a tiger and is thought to aid the treatment of ulcers, stubbornness and purifies the blood. Avoid temperature changes and do not clean with alcohol. 16-Inch Strand, 1 strand approx 22 pcs.