Agate: aids rebalancing and harmonising body, mind and spirit. It is believed to enhance concentration, perception and analytical abilities. Agate reduces negativity, soothing and calming inner turmoil such while fostering a sense of security and safety. Physically, it is said to heal the eyes, stomach and uterus; cleanse the lymphatic system and the pancreas; and strengthens blood vessels and heals skin disorders. Amber: Amber is fossilized resin (formerly tree sap) that is appreciated for its color and beauty. Early physicians prescribed it for headaches, heart problems, arthritis and a variety of other ailments. Amber brings a carefree, sunny disposition and promotes good luck and success. Amethyst: Amethyst is a purple quartz caused by impurities of iron or manganese. The shade of purple can range from deep purple to violet to lavender to mauve. Amethyst purportedly brings luck, ensures constancy, protects against magic and prevents homesickness. Aventurine: Aventurine is often