Jennifer Nettles Sterling Silver Turquoise Earrings Genuine Black Agate, Turquoise, and .925 Sterling Silver Measures 2-3/4" long x 1" at widest point See Ruler View for accurate sizing. Silver may tarnish over time. Handcrafted in America with lifetime warranty on all jewelry Earrings feature sculptural sterling silver flowing down to a bead of black agate and turquoise.