5x8mm Petite Blue Zircon Crystal interchangeable bead. Great for December birthdays! Add a splash of color and lots of shine with our beautiful crystal beads. All of our petite interchangeable beads have a smaller, 3.0mm diameter, hole and were specially designed to fit perfectly on our petite interchangeable bracelets, necklaces and earrings. Mix and match, it's easy and fun to create your own designs. Lead free and nickel free.