Mammoth Tooth Drop EarringsGorgeous prehistoric woolly mammoth tooth drop earrings set with rhodium plated sterling silver setting and finished with secure lever backs. Each pair is unique and may vary slightly in size (approximately 1. 75 in length) and color from one pair to the next. Colors are naturally brown, tan, cream, white, or gray blue. Prehistoric woolly mammoth tooth is found in Alaska, Canada, Russia, and Siberia, and can range in age from 10,000 to 200,000 years.