Prehistoric Mammoth Tooth Essentials Cocktail RingBeautiful one of a kind and limited mammoth tooth essentials cocktail ring set with rhodium plated sterling silver. Prehistoric woolly mammoth teeth are found in Siberia, Russia, Alaska, and Canada, and may range in age from 10,000 to 200,000 years old. Natural colors vary, and are dependent upon age, and also what minerals the teeth lay next to for these many thousands of years. Colors may include brown, tan, cream, and rarely, blue, gray, or green.