Turquoise And Pin Shell 2-Strand American Indian Bead Necklace PX34122 MATERIALS: Sterling silver, real Turquoise, and Pin Shell. MEASUREMENTS: The inner necklace circumference measures approximately 20-1/4" long and weighs 73 grams. Southwestern Jewelry Turquoise And Pin Shell 2-Strand American Indian Bead Necklace PX34122