Square Mammoth EarringsPretty and simple prehistoric woolly mammoth ivory square earrings are set with rhodium plated sterling silver and finished with french hooks. Lightweight earrings are great for everyday wear! approximately 1. 25" 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 shades of cream, tan,