Star K Sterling Silver Lucky Dolphin and StarFish Pendant Necklace with Heart Shape Stone Metal: 925 Sterling Silver. Dimensions: Width: 18.00 mm Length: 28.00 mm This beautiful design is part of the exclusive Star K. Jewelry collection. Star K, is a reputable American Family Business based in New York since 1986, uses only the highest quality materials, and will proudly stand behind all of her products. Mystic Quartz is quite a new stone, first seen around 1998. It is natural colorless (white) quartz that has been coated, giving it a unique rainbow color effect. The stone is said to boost the meditative state of the person to attain the higher self. 18 inch Chain in a matching metal will be included. Lifetime Warranty exclusively offered by Finejewelers. High End Jewerly Box and Gift Packaging Additional Stones: (cubic-zirconia, Shape: round-shape, Color: Colorless.)