This product is a pair of 18.45 carat Spiny Oyster Copper Turquoise cabochon loose gemstones, sourced from South Africa and treated in India. The gemstones have an opaque transparency and a beautiful blue color. With excellent cut grade and polished finish, these gemstones are perfect for jewelry making or as unique additions to your collection. Each gemstone measures 22mm in length, 11mm in width, and 3mm in depth, offering a stunning design element for your projects.