Three Circles EarringsBeautiful prehistoric woolly mammoth ivory and rhodium plated sterling silver three circles earrings finished with french hooks. 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 shades of cream, tan, brown and, very rarely, blue and green. IJE 140H Designed by Courtney Tripp