Whether you spell it tiger's eye, tigereye, or tiger-eye, this stone derives its name from the iridescent patterns that play across it, reminiscent of the eye of a tiger. Tiger-eye is said to attract wealth, prosperity, and good fortune. It is believed to ease tension, increase self-confidence and determination, boost courage, and sharpen focus. It provides us with mental clarity and insight, which helps us to make wise decisions. It gives us strength to cope with emotional conflict and to see things with a more positive outlook. It is believed to increase physical strength, enthusiasm, and optimism. Tiger-eye is said to help stubborn people to develop a more flexible attitude. It is even believed to protect travelers. Red tiger-eye is formed by heating brown tiger-eye, which is said to be especially protective and grounding. It is thought to enhance physical energy, promote optimism, increase passion, and encourage common sense. Tiger-eye is associated with the Zodiac sign of Gemini, and it is given as a gift for the ninth year of marriage.