Mammoth Double Marquise EarringsStunning double marquise prehistoric woolly mammoth ivory earrings are set with rhodium plated sterling silver and finished with lever backs. These beautiful, long earrings are reminiscent of the art deco period. approximately 2. 75" long Prehistoric woolly mammoth ivory is found in the cold northern regions of Alaska, Canada, Russia, and Siberia. These fossil tusk materials may range in age from 10,000 to 200,000 years, and natural colors vary in