This product is a 38.1 mm x 19.05mm polished slab of Larimar gemstones, also known as Pectolite. The gemstones are opaque in transparency and have a blue color. They are natural and not enhanced, with an excellent cut grade and vintage quality. The Larimar gemstones originate from the Caribbean, specifically the Dominican Republic. With a total carat weight of 56.30 carats, these unique and beautiful gemstones are perfect for jewelry and watchmaking projects.