Beads measure about 8mm in diameter. These specially curated Chalcedony beads exhibit a blue color palette almost identical to that of high-quality Tanzanite. Expect an irresistibly smooth polish and highly uniform appearance on these dazzling offerings perfect for a wide range of Jewelry Designs. Embolden your next creation with these versatile beads with a large 1mm drill hole, ideal for use in necklaces, bracelets, earrings and more.