Wildly popular rainbow opal hamsa hand. Across cultures, the Hand of Fatima is a symbol for protection and God's willingness to reach out during times of struggle. Lab-created opal Crystal accents 925 sterling silver, gold-plated Adjustable slider chain up to 18″ Dimensions: 11x13mm Always protect your jewelry from household chemicals, harsh soaps, sunlight, and excessive heat and cold. Remove your jewelry when washing your hands and bathing. Apply perfume or hairspray before putting on your jewelry. Clean your jewelry using a soft cloth. Many common chemical products such as cleaning products, face washes, perfumes, hairsprays, nail polishes, hand sanitizers, hand lotions, gardening chemicals, and even excessive perspiration can damage jewelry. Avoid activities which use these products when wearing jewelry.