Blue chalcedony glows with fabled elegance on a turtle necklace from India's Shanker. Symbolizing endurance and strength, the turtle pendant is crafted by hand with chalcedony and sterling silver with a hammered finish. .925 Sterling silver. materials: Sterling silver and chalcedony Cable chain Spring ring clasp Hammered finish 18 in. L; 1 mm W; Pendant(s): 1.7 in. L x 0.8 in. W x 0.3 in. D