Alchemia and Synthetic Peridot light weight sun pendant by Charles Albert measures 1-1/2" tall with the bail by 1" wide by 1/4" deep at the max points. Use a medium gauge chain. The color of the stone may vary slightly from the sample photo with each pendant. *Alchemia (a.k.a. "zero karat gold") is a new alloy from Charles Albert. It infuses a blend of base metals to simulate the look of 18K gold. The metal is coated with a clear lacquer to protect the finish. Alchemia is nickel-free, lead-free, hypoallergenic and does not tarnish.