Stunning and RARE , A Grade Chalcedony beads. These quality Chalcedony beads measure 12mm in diameter. Highly polished, the color and clarity of these gemstone beads is exceptional. The chalcedony bead is a form of quartz crystal. During the 1700s it was believed that semi-precious chalcedony gem stone beads 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.