The product is an 18-inch necklace featuring tumbled blue chalcedony stones. The chalcedony stones are a type of stone material known for their blue color. This necklace is a stylish and elegant piece of fashion jewelry that would be a great addition to any outfit, perfect for adding a pop of color and a touch of natural beauty to any look. Chalcedony considered a powerful healing stone that helps balance the mind, body, and spirit by removing negative energy and promoting positive flow.