Chunky Regal Red Coral Nugget BeadsPrice is per 16 inch string of these beautiful, heavy, red coral nuggets largest in string measures about 14mm x 12mm x 11mm, all drilled ready to thread. About 30 beads to the string. As these are natural, all will be slightly different shape & size. Coral is not a true gemstone, but a product of marine life. However, it's been used as a gem since prehistoric times. With a history of religious meaning, like being one of the seven treasures in