Paico DIY Jewelry Making Beads Pink Chalcedony Strand Round 6mm One strand of chalcedony beads, appr. 15.5 inches long. Appr. 65pcs of beads, Round, High polished, 6mm in diameter. This is a loose gemstone beads strand for jewelry diy making, cannot wear directly. Full drilled, hole size is 0.8mm Visit our store, to find out more beads.