Sterling Silver and Blue Chalcedony Fashion Pendant by Breuning. Soft geometrical design with open space and a beautiful satin blue chalcedony gem. Blue Chalcedony is an excellent gemstone for public speakers and those who speak for a living. Its gentle radiance prepares the wearer for action, but helps to hold back words that she might later regret. Rhodium finish for tarnish free maintenance. Chain features an easy to use lobster claw clasp.