Carolyn Pollack Sterling Silver Green Chalcedony Pendant Enhancer Genuine Green Chalcedony and .925 Sterling Silver Measures 2-1/4" long x 5/8" wide See Ruler View for accurate sizing. Silver may tarnish over time. Handcrafted in America with lifetime warranty on all jewelry The free-form fluidity of green chalcedony shines with a design of polished sterling silver.