This semi-precious beaded blue quartz stretch bracelet features the Celtic knot motif symbolizing everlasting love and friendship – capped with a hand-set fine quality crystal. Because we have used natural materials, each stone is truly one of a kind and may have variations in color. Our silver items have a protective lacquer finish to help prevent oxidation. To care for our silver items, simply wipe down your pieces with a dry, 100% cotton cloth. Keep them away from water, jewelry cleaners, silver cleaners, treated polishing cloths, perfumes, hairspray, lotions, hand-sanitizers and make-up. We offer our own that you can safely use.