Navajo, Native American handcrafted, sterling silver, genuine stone earrings made in New Mexico, USA. Genuine Turquoise and Coral. The combination of turquoise and coral has been a tradition of the Navajo for centuries. The use of coral by Navajo people started when they would find pieces of fossilized red coral in the desert. Native Americans first started trading with Europeans 600 years ago for the deep red coral from Italy.