Fire Engine Red Coral Beads-3mm, 5.5mm or 6mmPrice is per 15 inch string of these unusual red coral beads. Choose size from Size Button. 3mm 137 beads in a string 5. 5mm 70 beads in a string 6mm about 70 beads in a string Coral is known to be used as a gem since prehistoric times. Has a history of religious meaning and is one of the seven treasures in Buddhist scriptures. Coral was long thought to be a strong talisman against bleeding, evil spirits, and hurricanes. Its colour ranges from white