Carolyn Pollack Sterling Silver Green Turquoise Pendant Enhancer Genuine Green Turquoise, Brass, Copper, and .925 Sterling Silver Enhancer Measures 2-1/2" long x 1-1/2" wide See Ruler View for accurate sizing. Silver may tarnish over time. Handcrafted in America with lifetime warranty on all jewelry Sterling silver, copper and brass frame a center stone of natural green turquoise.