Turquoise Jewelry Heart Necklace: Sterling Silver Jewelry – Native American Jewelry Gifts. A graceful heart-shaped pendant glows with sky-blue turquoise framed by polished sterling silver and suspended from a sleek box chain for a clean, modern profile. The hooks are made of sterling silver. Perfect for Valentine’s Day, anniversaries, birthdays, weddings, or everyday chic. Style this necklace with a white blouse and jeans, a satin slip dress, or layer it with slim silver chains for an elevated Southwestern look. Material: Artisan turquoise and native sterling silver. 18-inch Sterling Silver Chain with Spring Ring Clasp Pendant dimensions: 21.7 mm x 20.4 mm.