Chalcedony Bracelet Chalcedony bracelet. “Arachne” Sterling Silver Chalcedony Bracelet. Bracelet: $25 About These Items Beautiful pale blue grey Chalcedony beads. The bracelet is 8″. Stones Used: Chalcedony For those who are interested in Astrological significances of stones, Agate, or Chalcedony, corresponds with Gemini and Capricorn.