These pretty natural blue chalcedony nugget beads are both polished and faceted. They average 24 x 18mm in size and have been cut to follow the natural contours of the stone. No two strands or beads are alike. The chalcedony nugget is a form of quartz crystal. During the 1700s it was believed that semi-precious chalcedony gem stone nuggets embodied the power to banish evil spirits and nightmares. Chalcedony gem stone beads are said to give success in lawsuits, good health, safe travels, and protects against harmful spirits. Chalcedony helps overcome jealousy and despair. These stones bring love and comfort, dispels anger, and balances ego.