Beads measure about 7mm in diameter with roughly 29 beads per foot of chain. This stunning chain offering shows off Summery Blue Peruvian Opal pieces in a range of bright colors paired with our signature gold chain. These bright and bubbly beauties are destined to light up the room in a wide range of Jewelry Designs. Craft a beachy necklace or some statement earrings with this lovely curated option!