Amethyst stalactites are formed in caves in Uruguay over hundreds of thousands of years. These stalactites are sliced, polished and set in our brass prong setting anchored on a sterling silver oxidized chain. Length 1 1/4 in Width 1 3/4 in Chain length 16 - 18 in This piece is handmade-to-order. Each piece will vary slightly due to the uniqueness of the stones. All metal is nickel free. Material: brass, metal, semi-precious, precious, stone, gemstone, recycled, sterling silver, silver.